4345625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 20

約数和(自身を含む): 5763780

約数和(自身を除く): 1418155

約数列:

[1, 5, 17, 25, 85, 125, 409, 425, 625, 2045, 2125, 6953, 10225, 10625, 34765, 51125, 173825, 255625, 869125, 4345625]

約数ペア:

[(1, 4345625), (5, 869125), (17, 255625), (25, 173825), (85, 51125), (125, 34765), (409, 10625), (425, 10225), (625, 6953), (2045, 2125)]