20639552000

素因数分解:

$2^9\times 5^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:268

約数の個数: 320

約数和(自身を含む): 54173104128

約数和(自身を除く): 33533552128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 101, 103, 124, 125, 128, 155, 160, 200, 202, 206, 248, 250, 256, 310, 320, 400, 404, 412, 496, 500, 505, 512, 515, 620, 640, 775, 800, 808, 824, 992, 1000, 1010, 1030, 1240, 1280, 1550, 1600, 1616, 1648, 1984, 2000, 2020, 2060, 2480, 2525, 2560, 2575, 3100, 3131, 3193, 3200, 3232, 3296, 3875, 3968, 4000, 4040, 4120, 4960, 5050, 5150, 6200, 6262, 6386, 6400, 6464, 6592, 7750, 7936, 8000, 8080, 8240, 9920, 10100, 10300, 10403, 12400, 12524, 12625, 12772, 12800, 12875, 12928, 13184, 15500, 15655, 15872, 15965, 16000, 16160, 16480, 19840, 20200, 20600, 20806, 24800, 25048, 25250, 25544, 25750, 25856, 26368, 31000, 31310, 31930, 32000, 32320, 32960, 39680, 40400, 41200, 41612, 49600, 50096, 50500, 51088, 51500, 51712, 52015, 52736, 62000, 62620, 63860, 64000, 64640, 65920, 78275, 79360, 79825, 80800, 82400, 83224, 99200, 100192, 101000, 102176, 103000, 104030, 124000, 125240, 127720, 129280, 131840, 156550, 159650, 161600, 164800, 166448, 198400, 200384, 202000, 204352, 206000, 208060, 248000, 250480, 255440, 258560, 260075, 263680, 313100, 319300, 322493, 323200, 329600, 332896, 391375, 396800, 399125, 400768, 404000, 408704, 412000, 416120, 496000, 500960, 510880, 520150, 626200, 638600, 644986, 646400, 659200, 665792, 782750, 798250, 801536, 808000, 817408, 824000, 832240, 992000, 1001920, 1021760, 1040300, 1252400, 1277200, 1289972, 1292800, 1300375, 1318400, 1331584, 1565500, 1596500, 1603072, 1612465, 1616000, 1634816, 1648000, 1664480, 1984000, 2003840, 2043520, 2080600, 2504800, 2554400, 2579944, 2600750, 2663168, 3131000, 3193000, 3224930, 3232000, 3296000, 3328960, 4007680, 4087040, 4161200, 5009600, 5108800, 5159888, 5201500, 5326336, 6262000, 6386000, 6449860, 6464000, 6592000, 6657920, 8015360, 8062325, 8174080, 8322400, 10019200, 10217600, 10319776, 10403000, 12524000, 12772000, 12899720, 13315840, 16124650, 16644800, 20038400, 20435200, 20639552, 20806000, 25048000, 25544000, 25799440, 26631680, 32249300, 33289600, 40076800, 40311625, 40870400, 41279104, 41612000, 50096000, 51088000, 51598880, 64498600, 66579200, 80623250, 82558208, 83224000, 100192000, 102176000, 103197760, 128997200, 133158400, 161246500, 165116416, 166448000, 200384000, 204352000, 206395520, 257994400, 322493000, 332896000, 412791040, 515988800, 644986000, 665792000, 825582080, 1031977600, 1289972000, 2063955200, 2579944000, 4127910400, 5159888000, 10319776000, 20639552000]

約数ペア:

[(1, 20639552000), (2, 10319776000), (4, 5159888000), (5, 4127910400), (8, 2579944000), (10, 2063955200), (16, 1289972000), (20, 1031977600), (25, 825582080), (31, 665792000), (32, 644986000), (40, 515988800), (50, 412791040), (62, 332896000), (64, 322493000), (80, 257994400), (100, 206395520), (101, 204352000), (103, 200384000), (124, 166448000), (125, 165116416), (128, 161246500), (155, 133158400), (160, 128997200), (200, 103197760), (202, 102176000), (206, 100192000), (248, 83224000), (250, 82558208), (256, 80623250), (310, 66579200), (320, 64498600), (400, 51598880), (404, 51088000), (412, 50096000), (496, 41612000), (500, 41279104), (505, 40870400), (512, 40311625), (515, 40076800), (620, 33289600), (640, 32249300), (775, 26631680), (800, 25799440), (808, 25544000), (824, 25048000), (992, 20806000), (1000, 20639552), (1010, 20435200), (1030, 20038400), (1240, 16644800), (1280, 16124650), (1550, 13315840), (1600, 12899720), (1616, 12772000), (1648, 12524000), (1984, 10403000), (2000, 10319776), (2020, 10217600), (2060, 10019200), (2480, 8322400), (2525, 8174080), (2560, 8062325), (2575, 8015360), (3100, 6657920), (3131, 6592000), (3193, 6464000), (3200, 6449860), (3232, 6386000), (3296, 6262000), (3875, 5326336), (3968, 5201500), (4000, 5159888), (4040, 5108800), (4120, 5009600), (4960, 4161200), (5050, 4087040), (5150, 4007680), (6200, 3328960), (6262, 3296000), (6386, 3232000), (6400, 3224930), (6464, 3193000), (6592, 3131000), (7750, 2663168), (7936, 2600750), (8000, 2579944), (8080, 2554400), (8240, 2504800), (9920, 2080600), (10100, 2043520), (10300, 2003840), (10403, 1984000), (12400, 1664480), (12524, 1648000), (12625, 1634816), (12772, 1616000), (12800, 1612465), (12875, 1603072), (12928, 1596500), (13184, 1565500), (15500, 1331584), (15655, 1318400), (15872, 1300375), (15965, 1292800), (16000, 1289972), (16160, 1277200), (16480, 1252400), (19840, 1040300), (20200, 1021760), (20600, 1001920), (20806, 992000), (24800, 832240), (25048, 824000), (25250, 817408), (25544, 808000), (25750, 801536), (25856, 798250), (26368, 782750), (31000, 665792), (31310, 659200), (31930, 646400), (32000, 644986), (32320, 638600), (32960, 626200), (39680, 520150), (40400, 510880), (41200, 500960), (41612, 496000), (49600, 416120), (50096, 412000), (50500, 408704), (51088, 404000), (51500, 400768), (51712, 399125), (52015, 396800), (52736, 391375), (62000, 332896), (62620, 329600), (63860, 323200), (64000, 322493), (64640, 319300), (65920, 313100), (78275, 263680), (79360, 260075), (79825, 258560), (80800, 255440), (82400, 250480), (83224, 248000), (99200, 208060), (100192, 206000), (101000, 204352), (102176, 202000), (103000, 200384), (104030, 198400), (124000, 166448), (125240, 164800), (127720, 161600), (129280, 159650), (131840, 156550)]