11905625

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:506

約数の個数: 20

約数和(自身を含む): 15257616

約数和(自身を除く): 3351991

約数列:

[1, 5, 25, 43, 125, 215, 443, 625, 1075, 2215, 5375, 11075, 19049, 26875, 55375, 95245, 276875, 476225, 2381125, 11905625]

約数ペア:

[(1, 11905625), (5, 2381125), (25, 476225), (43, 276875), (125, 95245), (215, 55375), (443, 26875), (625, 19049), (1075, 11075), (2215, 5375)]