68307640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41651}}^1$

素因数の和:41703

約数の個数: 32

約数和(自身を含む): 157444560

約数和(自身を除く): 89136920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41651, 83302, 166604, 208255, 333208, 416510, 833020, 1666040, 1707691, 3415382, 6830764, 8538455, 13661528, 17076910, 34153820, 68307640]

約数ペア:

[(1, 68307640), (2, 34153820), (4, 17076910), (5, 13661528), (8, 8538455), (10, 6830764), (20, 3415382), (40, 1707691), (41, 1666040), (82, 833020), (164, 416510), (205, 333208), (328, 208255), (410, 166604), (820, 83302), (1640, 41651)]