251014375

素因数分解:

$5^4\times {\mathrm{223}}^1\times {\mathrm{1801}}^1$

素因数の和:2044

約数の個数: 20

約数和(自身を含む): 315249088

約数和(自身を除く): 64234713

約数列:

[1, 5, 25, 125, 223, 625, 1115, 1801, 5575, 9005, 27875, 45025, 139375, 225125, 401623, 1125625, 2008115, 10040575, 50202875, 251014375]

約数ペア:

[(1, 251014375), (5, 50202875), (25, 10040575), (125, 2008115), (223, 1125625), (625, 401623), (1115, 225125), (1801, 139375), (5575, 45025), (9005, 27875)]