84421160

素因数分解:

$2^3\times 5^1\times {\mathrm{2110529}}^1$

素因数の和:2110540

約数の個数: 16

約数和(自身を含む): 189947700

約数和(自身を除く): 105526540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2110529, 4221058, 8442116, 10552645, 16884232, 21105290, 42210580, 84421160]

約数ペア:

[(1, 84421160), (2, 42210580), (4, 21105290), (5, 16884232), (8, 10552645), (10, 8442116), (20, 4221058), (40, 2110529)]