22470625

素因数分解:

$5^4\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:406

約数の個数: 20

約数和(自身を含む): 28381540

約数和(自身を除く): 5910915

約数列:

[1, 5, 25, 125, 157, 229, 625, 785, 1145, 3925, 5725, 19625, 28625, 35953, 98125, 143125, 179765, 898825, 4494125, 22470625]

約数ペア:

[(1, 22470625), (5, 4494125), (25, 898825), (125, 179765), (157, 143125), (229, 98125), (625, 35953), (785, 28625), (1145, 19625), (3925, 5725)]