79955200

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:101

約数の個数: 162

約数和(自身を含む): 220221582

約数和(自身を除く): 140266382

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 200, 208, 248, 256, 260, 310, 320, 325, 400, 403, 416, 496, 520, 620, 640, 650, 775, 800, 806, 832, 961, 992, 1040, 1240, 1280, 1300, 1550, 1600, 1612, 1664, 1922, 1984, 2015, 2080, 2480, 2600, 3100, 3200, 3224, 3328, 3844, 3968, 4030, 4160, 4805, 4960, 5200, 6200, 6400, 6448, 7688, 7936, 8060, 8320, 9610, 9920, 10075, 10400, 12400, 12493, 12896, 15376, 16120, 16640, 19220, 19840, 20150, 20800, 24025, 24800, 24986, 25792, 30752, 32240, 38440, 39680, 40300, 41600, 48050, 49600, 49972, 51584, 61504, 62465, 64480, 76880, 80600, 83200, 96100, 99200, 99944, 103168, 123008, 124930, 128960, 153760, 161200, 192200, 198400, 199888, 246016, 249860, 257920, 307520, 312325, 322400, 384400, 399776, 499720, 515840, 615040, 624650, 644800, 768800, 799552, 999440, 1230080, 1249300, 1289600, 1537600, 1599104, 1998880, 2498600, 2579200, 3075200, 3198208, 3997760, 4997200, 6150400, 7995520, 9994400, 15991040, 19988800, 39977600, 79955200]

約数ペア:

[(1, 79955200), (2, 39977600), (4, 19988800), (5, 15991040), (8, 9994400), (10, 7995520), (13, 6150400), (16, 4997200), (20, 3997760), (25, 3198208), (26, 3075200), (31, 2579200), (32, 2498600), (40, 1998880), (50, 1599104), (52, 1537600), (62, 1289600), (64, 1249300), (65, 1230080), (80, 999440), (100, 799552), (104, 768800), (124, 644800), (128, 624650), (130, 615040), (155, 515840), (160, 499720), (200, 399776), (208, 384400), (248, 322400), (256, 312325), (260, 307520), (310, 257920), (320, 249860), (325, 246016), (400, 199888), (403, 198400), (416, 192200), (496, 161200), (520, 153760), (620, 128960), (640, 124930), (650, 123008), (775, 103168), (800, 99944), (806, 99200), (832, 96100), (961, 83200), (992, 80600), (1040, 76880), (1240, 64480), (1280, 62465), (1300, 61504), (1550, 51584), (1600, 49972), (1612, 49600), (1664, 48050), (1922, 41600), (1984, 40300), (2015, 39680), (2080, 38440), (2480, 32240), (2600, 30752), (3100, 25792), (3200, 24986), (3224, 24800), (3328, 24025), (3844, 20800), (3968, 20150), (4030, 19840), (4160, 19220), (4805, 16640), (4960, 16120), (5200, 15376), (6200, 12896), (6400, 12493), (6448, 12400), (7688, 10400), (7936, 10075), (8060, 9920), (8320, 9610)]