71447240

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1451}}^1$

素因数の和:2693

約数の個数: 32

約数和(自身を含む): 160997760

約数和(自身を除く): 89550520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 1451, 2462, 2902, 4924, 5804, 6155, 7255, 9848, 11608, 12310, 14510, 24620, 29020, 49240, 58040, 1786181, 3572362, 7144724, 8930905, 14289448, 17861810, 35723620, 71447240]

約数ペア:

[(1, 71447240), (2, 35723620), (4, 17861810), (5, 14289448), (8, 8930905), (10, 7144724), (20, 3572362), (40, 1786181), (1231, 58040), (1451, 49240), (2462, 29020), (2902, 24620), (4924, 14510), (5804, 12310), (6155, 11608), (7255, 9848)]