51371125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 69949152

約数和(自身を除く): 18578027

約数列:

[1, 5, 13, 25, 65, 101, 125, 313, 325, 505, 1313, 1565, 1625, 2525, 4069, 6565, 7825, 12625, 20345, 31613, 32825, 39125, 101725, 158065, 164125, 410969, 508625, 790325, 2054845, 3951625, 10274225, 51371125]

約数ペア:

[(1, 51371125), (5, 10274225), (13, 3951625), (25, 2054845), (65, 790325), (101, 508625), (125, 410969), (313, 164125), (325, 158065), (505, 101725), (1313, 39125), (1565, 32825), (1625, 31613), (2525, 20345), (4069, 12625), (6565, 7825)]