18630625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2326

約数の個数: 20

約数和(自身を含む): 25082596

約数和(自身を除く): 6451971

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 2293, 8125, 11465, 29809, 57325, 149045, 286625, 745225, 1433125, 3726125, 18630625]

約数ペア:

[(1, 18630625), (5, 3726125), (13, 1433125), (25, 745225), (65, 286625), (125, 149045), (325, 57325), (625, 29809), (1625, 11465), (2293, 8125)]