56988880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1481}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 146646864

約数和(自身を除く): 89657984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1481, 1924, 2405, 2960, 2962, 3848, 4810, 5924, 7405, 7696, 9620, 11848, 14810, 19240, 19253, 23696, 29620, 38480, 38506, 54797, 59240, 77012, 96265, 109594, 118480, 154024, 192530, 219188, 273985, 308048, 385060, 438376, 547970, 712361, 770120, 876752, 1095940, 1424722, 1540240, 2191880, 2849444, 3561805, 4383760, 5698888, 7123610, 11397776, 14247220, 28494440, 56988880]

約数ペア:

[(1, 56988880), (2, 28494440), (4, 14247220), (5, 11397776), (8, 7123610), (10, 5698888), (13, 4383760), (16, 3561805), (20, 2849444), (26, 2191880), (37, 1540240), (40, 1424722), (52, 1095940), (65, 876752), (74, 770120), (80, 712361), (104, 547970), (130, 438376), (148, 385060), (185, 308048), (208, 273985), (260, 219188), (296, 192530), (370, 154024), (481, 118480), (520, 109594), (592, 96265), (740, 77012), (962, 59240), (1040, 54797), (1480, 38506), (1481, 38480), (1924, 29620), (2405, 23696), (2960, 19253), (2962, 19240), (3848, 14810), (4810, 11848), (5924, 9620), (7405, 7696)]