51120625

素因数分解:

$5^4\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:594

約数の個数: 20

約数和(自身を含む): 64329408

約数和(自身を除く): 13208783

約数列:

[1, 5, 25, 125, 263, 311, 625, 1315, 1555, 6575, 7775, 32875, 38875, 81793, 164375, 194375, 408965, 2044825, 10224125, 51120625]

約数ペア:

[(1, 51120625), (5, 10224125), (25, 2044825), (125, 408965), (263, 194375), (311, 164375), (625, 81793), (1315, 38875), (1555, 32875), (6575, 7775)]