89910760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 207043200

約数和(自身を除く): 117132440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 139, 157, 206, 278, 314, 412, 515, 556, 628, 695, 785, 824, 1030, 1112, 1256, 1390, 1570, 2060, 2780, 3140, 4120, 5560, 6280, 14317, 16171, 21823, 28634, 32342, 43646, 57268, 64684, 71585, 80855, 87292, 109115, 114536, 129368, 143170, 161710, 174584, 218230, 286340, 323420, 436460, 572680, 646840, 872920, 2247769, 4495538, 8991076, 11238845, 17982152, 22477690, 44955380, 89910760]

約数ペア:

[(1, 89910760), (2, 44955380), (4, 22477690), (5, 17982152), (8, 11238845), (10, 8991076), (20, 4495538), (40, 2247769), (103, 872920), (139, 646840), (157, 572680), (206, 436460), (278, 323420), (314, 286340), (412, 218230), (515, 174584), (556, 161710), (628, 143170), (695, 129368), (785, 114536), (824, 109115), (1030, 87292), (1112, 80855), (1256, 71585), (1390, 64684), (1570, 57268), (2060, 43646), (2780, 32342), (3140, 28634), (4120, 21823), (5560, 16171), (6280, 14317)]