100871240

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{5851}}^1$

素因数の和:6293

約数の個数: 32

約数和(自身を含む): 227525760

約数和(自身を除く): 126654520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 5851, 8620, 11702, 17240, 23404, 29255, 46808, 58510, 117020, 234040, 2521781, 5043562, 10087124, 12608905, 20174248, 25217810, 50435620, 100871240]

約数ペア:

[(1, 100871240), (2, 50435620), (4, 25217810), (5, 20174248), (8, 12608905), (10, 10087124), (20, 5043562), (40, 2521781), (431, 234040), (862, 117020), (1724, 58510), (2155, 46808), (3448, 29255), (4310, 23404), (5851, 17240), (8620, 11702)]