3225625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:430

約数の個数: 20

約数和(自身を含む): 4351732

約数和(自身を除く): 1126107

約数列:

[1, 5, 13, 25, 65, 125, 325, 397, 625, 1625, 1985, 5161, 8125, 9925, 25805, 49625, 129025, 248125, 645125, 3225625]

約数ペア:

[(1, 3225625), (5, 645125), (13, 248125), (25, 129025), (65, 49625), (125, 25805), (325, 9925), (397, 8125), (625, 5161), (1625, 1985)]