91197020

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{10831}}^1$

素因数の和:11261

約数の個数: 24

約数和(自身を含む): 191986368

約数和(自身を除く): 100789348

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 10831, 21662, 43324, 54155, 108310, 216620, 4559851, 9119702, 18239404, 22799255, 45598510, 91197020]

約数ペア:

[(1, 91197020), (2, 45598510), (4, 22799255), (5, 18239404), (10, 9119702), (20, 4559851), (421, 216620), (842, 108310), (1684, 54155), (2105, 43324), (4210, 21662), (8420, 10831)]