28507250

素因数分解:

$2^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{1129}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 53941680

約数和(自身を除く): 25434430

約数列:

[1, 2, 5, 10, 25, 50, 101, 125, 202, 250, 505, 1010, 1129, 2258, 2525, 5050, 5645, 11290, 12625, 25250, 28225, 56450, 114029, 141125, 228058, 282250, 570145, 1140290, 2850725, 5701450, 14253625, 28507250]

約数ペア:

[(1, 28507250), (2, 14253625), (5, 5701450), (10, 2850725), (25, 1140290), (50, 570145), (101, 282250), (125, 228058), (202, 141125), (250, 114029), (505, 56450), (1010, 28225), (1129, 25250), (2258, 12625), (2525, 11290), (5050, 5645)]