71865160

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17443}}^1$

素因数の和:17557

約数の個数: 32

約数和(自身を含む): 163275840

約数和(自身を除く): 91410680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 17443, 34886, 69772, 87215, 139544, 174430, 348860, 697720, 1796629, 3593258, 7186516, 8983145, 14373032, 17966290, 35932580, 71865160]

約数ペア:

[(1, 71865160), (2, 35932580), (4, 17966290), (5, 14373032), (8, 8983145), (10, 7186516), (20, 3593258), (40, 1796629), (103, 697720), (206, 348860), (412, 174430), (515, 139544), (824, 87215), (1030, 69772), (2060, 34886), (4120, 17443)]