90256360

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 207820800

約数和(自身を除く): 117564440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 127, 163, 218, 254, 326, 436, 508, 545, 635, 652, 815, 872, 1016, 1090, 1270, 1304, 1630, 2180, 2540, 3260, 4360, 5080, 6520, 13843, 17767, 20701, 27686, 35534, 41402, 55372, 69215, 71068, 82804, 88835, 103505, 110744, 138430, 142136, 165608, 177670, 207010, 276860, 355340, 414020, 553720, 710680, 828040, 2256409, 4512818, 9025636, 11282045, 18051272, 22564090, 45128180, 90256360]

約数ペア:

[(1, 90256360), (2, 45128180), (4, 22564090), (5, 18051272), (8, 11282045), (10, 9025636), (20, 4512818), (40, 2256409), (109, 828040), (127, 710680), (163, 553720), (218, 414020), (254, 355340), (326, 276860), (436, 207010), (508, 177670), (545, 165608), (635, 142136), (652, 138430), (815, 110744), (872, 103505), (1016, 88835), (1090, 82804), (1270, 71068), (1304, 69215), (1630, 55372), (2180, 41402), (2540, 35534), (3260, 27686), (4360, 20701), (5080, 17767), (6520, 13843)]