22728625

素因数分解:

$5^3\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 28501200

約数和(自身を除く): 5772575

約数列:

[1, 5, 25, 125, 349, 521, 1745, 2605, 8725, 13025, 43625, 65125, 181829, 909145, 4545725, 22728625]

約数ペア:

[(1, 22728625), (5, 4545725), (25, 909145), (125, 181829), (349, 65125), (521, 43625), (1745, 13025), (2605, 8725)]