168684680

素因数分解:

$2^3\times 5^1\times {\mathrm{4217117}}^1$

素因数の和:4217128

約数の個数: 16

約数和(自身を含む): 379540620

約数和(自身を除く): 210855940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4217117, 8434234, 16868468, 21085585, 33736936, 42171170, 84342340, 168684680]

約数ペア:

[(1, 168684680), (2, 84342340), (4, 42171170), (5, 33736936), (8, 21085585), (10, 16868468), (20, 8434234), (40, 4217117)]