2468125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:390

約数の個数: 20

約数和(自身を含む): 3373920

約数和(自身を除く): 905795

約数列:

[1, 5, 11, 25, 55, 125, 275, 359, 625, 1375, 1795, 3949, 6875, 8975, 19745, 44875, 98725, 224375, 493625, 2468125]

約数ペア:

[(1, 2468125), (5, 493625), (11, 224375), (25, 98725), (55, 44875), (125, 19745), (275, 8975), (359, 6875), (625, 3949), (1375, 1795)]