156980225

素因数分解:

$5^2\times {\mathrm{617}}^1\times {\mathrm{10177}}^1$

素因数の和:10804

約数の個数: 12

約数和(自身を含む): 194990124

約数和(自身を除く): 38009899

約数列:

[1, 5, 25, 617, 3085, 10177, 15425, 50885, 254425, 6279209, 31396045, 156980225]

約数ペア:

[(1, 156980225), (5, 31396045), (25, 6279209), (617, 254425), (3085, 50885), (10177, 15425)]