25981390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89591}}^1$

素因数の和:89627

約数の個数: 16

約数和(自身を含む): 48379680

約数和(自身を除く): 22398290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 89591, 179182, 447955, 895910, 2598139, 5196278, 12990695, 25981390]

約数ペア:

[(1, 25981390), (2, 12990695), (5, 5196278), (10, 2598139), (29, 895910), (58, 447955), (145, 179182), (290, 89591)]