20338480000

素因数分解:

$2^7\times 5^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 320

約数和(自身を含む): 53532864000

約数和(自身を除く): 33194384000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 59, 62, 64, 80, 100, 118, 124, 125, 128, 139, 155, 160, 200, 236, 248, 250, 278, 295, 310, 320, 400, 472, 496, 500, 556, 590, 620, 625, 640, 695, 775, 800, 944, 992, 1000, 1112, 1180, 1240, 1250, 1390, 1475, 1550, 1600, 1829, 1888, 1984, 2000, 2224, 2360, 2480, 2500, 2780, 2950, 3100, 3200, 3475, 3658, 3776, 3875, 3968, 4000, 4309, 4448, 4720, 4960, 5000, 5560, 5900, 6200, 6950, 7316, 7375, 7552, 7750, 8000, 8201, 8618, 8896, 9145, 9440, 9920, 10000, 11120, 11800, 12400, 13900, 14632, 14750, 15500, 16000, 16402, 17236, 17375, 17792, 18290, 18880, 19375, 19840, 20000, 21545, 22240, 23600, 24800, 27800, 29264, 29500, 31000, 32804, 34472, 34750, 36580, 36875, 37760, 38750, 40000, 41005, 43090, 44480, 45725, 47200, 49600, 55600, 58528, 59000, 62000, 65608, 68944, 69500, 73160, 73750, 77500, 80000, 82010, 86180, 86875, 88960, 91450, 94400, 99200, 107725, 111200, 117056, 118000, 124000, 131216, 137888, 139000, 146320, 147500, 155000, 164020, 172360, 173750, 182900, 188800, 205025, 215450, 222400, 228625, 234112, 236000, 248000, 254231, 262432, 275776, 278000, 292640, 295000, 310000, 328040, 344720, 347500, 365800, 410050, 430900, 444800, 457250, 472000, 496000, 508462, 524864, 538625, 551552, 556000, 585280, 590000, 620000, 656080, 689440, 695000, 731600, 820100, 861800, 914500, 944000, 1016924, 1025125, 1049728, 1077250, 1112000, 1143125, 1170560, 1180000, 1240000, 1271155, 1312160, 1378880, 1390000, 1463200, 1640200, 1723600, 1829000, 2033848, 2050250, 2154500, 2224000, 2286250, 2360000, 2480000, 2542310, 2624320, 2693125, 2757760, 2780000, 2926400, 3280400, 3447200, 3658000, 4067696, 4100500, 4309000, 4572500, 4720000, 5084620, 5125625, 5248640, 5386250, 5560000, 5852800, 6355775, 6560800, 6894400, 7316000, 8135392, 8201000, 8618000, 9145000, 10169240, 10251250, 10772500, 11120000, 12711550, 13121600, 13788800, 14632000, 16270784, 16402000, 17236000, 18290000, 20338480, 20502500, 21545000, 25423100, 26243200, 29264000, 31778875, 32541568, 32804000, 34472000, 36580000, 40676960, 41005000, 43090000, 50846200, 63557750, 65608000, 68944000, 73160000, 81353920, 82010000, 86180000, 101692400, 127115500, 131216000, 146320000, 158894375, 162707840, 164020000, 172360000, 203384800, 254231000, 317788750, 328040000, 344720000, 406769600, 508462000, 635577500, 656080000, 813539200, 1016924000, 1271155000, 2033848000, 2542310000, 4067696000, 5084620000, 10169240000, 20338480000]

約数ペア:

[(1, 20338480000), (2, 10169240000), (4, 5084620000), (5, 4067696000), (8, 2542310000), (10, 2033848000), (16, 1271155000), (20, 1016924000), (25, 813539200), (31, 656080000), (32, 635577500), (40, 508462000), (50, 406769600), (59, 344720000), (62, 328040000), (64, 317788750), (80, 254231000), (100, 203384800), (118, 172360000), (124, 164020000), (125, 162707840), (128, 158894375), (139, 146320000), (155, 131216000), (160, 127115500), (200, 101692400), (236, 86180000), (248, 82010000), (250, 81353920), (278, 73160000), (295, 68944000), (310, 65608000), (320, 63557750), (400, 50846200), (472, 43090000), (496, 41005000), (500, 40676960), (556, 36580000), (590, 34472000), (620, 32804000), (625, 32541568), (640, 31778875), (695, 29264000), (775, 26243200), (800, 25423100), (944, 21545000), (992, 20502500), (1000, 20338480), (1112, 18290000), (1180, 17236000), (1240, 16402000), (1250, 16270784), (1390, 14632000), (1475, 13788800), (1550, 13121600), (1600, 12711550), (1829, 11120000), (1888, 10772500), (1984, 10251250), (2000, 10169240), (2224, 9145000), (2360, 8618000), (2480, 8201000), (2500, 8135392), (2780, 7316000), (2950, 6894400), (3100, 6560800), (3200, 6355775), (3475, 5852800), (3658, 5560000), (3776, 5386250), (3875, 5248640), (3968, 5125625), (4000, 5084620), (4309, 4720000), (4448, 4572500), (4720, 4309000), (4960, 4100500), (5000, 4067696), (5560, 3658000), (5900, 3447200), (6200, 3280400), (6950, 2926400), (7316, 2780000), (7375, 2757760), (7552, 2693125), (7750, 2624320), (8000, 2542310), (8201, 2480000), (8618, 2360000), (8896, 2286250), (9145, 2224000), (9440, 2154500), (9920, 2050250), (10000, 2033848), (11120, 1829000), (11800, 1723600), (12400, 1640200), (13900, 1463200), (14632, 1390000), (14750, 1378880), (15500, 1312160), (16000, 1271155), (16402, 1240000), (17236, 1180000), (17375, 1170560), (17792, 1143125), (18290, 1112000), (18880, 1077250), (19375, 1049728), (19840, 1025125), (20000, 1016924), (21545, 944000), (22240, 914500), (23600, 861800), (24800, 820100), (27800, 731600), (29264, 695000), (29500, 689440), (31000, 656080), (32804, 620000), (34472, 590000), (34750, 585280), (36580, 556000), (36875, 551552), (37760, 538625), (38750, 524864), (40000, 508462), (41005, 496000), (43090, 472000), (44480, 457250), (45725, 444800), (47200, 430900), (49600, 410050), (55600, 365800), (58528, 347500), (59000, 344720), (62000, 328040), (65608, 310000), (68944, 295000), (69500, 292640), (73160, 278000), (73750, 275776), (77500, 262432), (80000, 254231), (82010, 248000), (86180, 236000), (86875, 234112), (88960, 228625), (91450, 222400), (94400, 215450), (99200, 205025), (107725, 188800), (111200, 182900), (117056, 173750), (118000, 172360), (124000, 164020), (131216, 155000), (137888, 147500), (139000, 146320)]