66220880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6841}}^1$

素因数の和:6876

約数の個数: 60

約数和(自身を含む): 169257396

約数和(自身を除く): 103036516

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 6841, 9680, 13682, 27364, 34205, 54728, 68410, 75251, 109456, 136820, 150502, 273640, 301004, 376255, 547280, 602008, 752510, 827761, 1204016, 1505020, 1655522, 3010040, 3311044, 4138805, 6020080, 6622088, 8277610, 13244176, 16555220, 33110440, 66220880]

約数ペア:

[(1, 66220880), (2, 33110440), (4, 16555220), (5, 13244176), (8, 8277610), (10, 6622088), (11, 6020080), (16, 4138805), (20, 3311044), (22, 3010040), (40, 1655522), (44, 1505020), (55, 1204016), (80, 827761), (88, 752510), (110, 602008), (121, 547280), (176, 376255), (220, 301004), (242, 273640), (440, 150502), (484, 136820), (605, 109456), (880, 75251), (968, 68410), (1210, 54728), (1936, 34205), (2420, 27364), (4840, 13682), (6841, 9680)]