79742480

素因数分解:

$2^4\times 5^1\times {\mathrm{996781}}^1$

素因数の和:996794

約数の個数: 20

約数和(自身を含む): 185401452

約数和(自身を除く): 105658972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 996781, 1993562, 3987124, 4983905, 7974248, 9967810, 15948496, 19935620, 39871240, 79742480]

約数ペア:

[(1, 79742480), (2, 39871240), (4, 19935620), (5, 15948496), (8, 9967810), (10, 7974248), (16, 4983905), (20, 3987124), (40, 1993562), (80, 996781)]