39871240

素因数分解:

$2^3\times 5^1\times {\mathrm{996781}}^1$

素因数の和:996792

約数の個数: 16

約数和(自身を含む): 89710380

約数和(自身を除く): 49839140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 996781, 1993562, 3987124, 4983905, 7974248, 9967810, 19935620, 39871240]

約数ペア:

[(1, 39871240), (2, 19935620), (4, 9967810), (5, 7974248), (8, 4983905), (10, 3987124), (20, 1993562), (40, 996781)]