4525625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:590

約数の個数: 20

約数和(自身を含む): 6101172

約数和(自身を除く): 1575547

約数列:

[1, 5, 13, 25, 65, 125, 325, 557, 625, 1625, 2785, 7241, 8125, 13925, 36205, 69625, 181025, 348125, 905125, 4525625]

約数ペア:

[(1, 4525625), (5, 905125), (13, 348125), (25, 181025), (65, 69625), (125, 36205), (325, 13925), (557, 8125), (625, 7241), (1625, 2785)]