70686760

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2179}}^1$

素因数の和:3001

約数の個数: 32

約数和(自身を含む): 159314400

約数和(自身を除く): 88627640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2179, 3244, 4055, 4358, 6488, 8110, 8716, 10895, 16220, 17432, 21790, 32440, 43580, 87160, 1767169, 3534338, 7068676, 8835845, 14137352, 17671690, 35343380, 70686760]

約数ペア:

[(1, 70686760), (2, 35343380), (4, 17671690), (5, 14137352), (8, 8835845), (10, 7068676), (20, 3534338), (40, 1767169), (811, 87160), (1622, 43580), (2179, 32440), (3244, 21790), (4055, 17432), (4358, 16220), (6488, 10895), (8110, 8716)]