90607240

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{7237}}^1$

素因数の和:7561

約数の個数: 32

約数和(自身を含む): 204545880

約数和(自身を除く): 113938640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 7237, 12520, 14474, 28948, 36185, 57896, 72370, 144740, 289480, 2265181, 4530362, 9060724, 11325905, 18121448, 22651810, 45303620, 90607240]

約数ペア:

[(1, 90607240), (2, 45303620), (4, 22651810), (5, 18121448), (8, 11325905), (10, 9060724), (20, 4530362), (40, 2265181), (313, 289480), (626, 144740), (1252, 72370), (1565, 57896), (2504, 36185), (3130, 28948), (6260, 14474), (7237, 12520)]