25220940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{420349}}^1$

素因数の和:420361

約数の個数: 24

約数和(自身を含む): 70618800

約数和(自身を除く): 45397860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 420349, 840698, 1261047, 1681396, 2101745, 2522094, 4203490, 5044188, 6305235, 8406980, 12610470, 25220940]

約数ペア:

[(1, 25220940), (2, 12610470), (3, 8406980), (4, 6305235), (5, 5044188), (6, 4203490), (10, 2522094), (12, 2101745), (15, 1681396), (20, 1261047), (30, 840698), (60, 420349)]