161380625

素因数分解:

$5^4\times 7^1\times {\mathrm{36887}}^1$

素因数の和:36914

約数の個数: 20

約数和(自身を含む): 230476224

約数和(自身を除く): 69095599

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4375, 36887, 184435, 258209, 922175, 1291045, 4610875, 6455225, 23054375, 32276125, 161380625]

約数ペア:

[(1, 161380625), (5, 32276125), (7, 23054375), (25, 6455225), (35, 4610875), (125, 1291045), (175, 922175), (625, 258209), (875, 184435), (4375, 36887)]