13008125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1634

約数の個数: 20

約数和(自身を含む): 17516268

約数和(自身を除く): 4508143

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1601, 1625, 8005, 8125, 20813, 40025, 104065, 200125, 520325, 1000625, 2601625, 13008125]

約数ペア:

[(1, 13008125), (5, 2601625), (13, 1000625), (25, 520325), (65, 200125), (125, 104065), (325, 40025), (625, 20813), (1601, 8125), (1625, 8005)]