81079480

素因数分解:

$2^3\times 5^1\times {\mathrm{2026987}}^1$

素因数の和:2026998

約数の個数: 16

約数和(自身を含む): 182428920

約数和(自身を除く): 101349440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2026987, 4053974, 8107948, 10134935, 16215896, 20269870, 40539740, 81079480]

約数ペア:

[(1, 81079480), (2, 40539740), (4, 20269870), (5, 16215896), (8, 10134935), (10, 8107948), (20, 4053974), (40, 2026987)]