15917360

素因数分解:

$2^4\times 5^1\times {\mathrm{198967}}^1$

素因数の和:198980

約数の個数: 20

約数和(自身を含む): 37008048

約数和(自身を除く): 21090688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198967, 397934, 795868, 994835, 1591736, 1989670, 3183472, 3979340, 7958680, 15917360]

約数ペア:

[(1, 15917360), (2, 7958680), (4, 3979340), (5, 3183472), (8, 1989670), (10, 1591736), (16, 994835), (20, 795868), (40, 397934), (80, 198967)]