5641225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 7499520

約数和(自身を除く): 1858295

約数列:

[1, 5, 25, 29, 31, 145, 155, 251, 725, 775, 899, 1255, 4495, 6275, 7279, 7781, 22475, 36395, 38905, 181975, 194525, 225649, 1128245, 5641225]

約数ペア:

[(1, 5641225), (5, 1128245), (25, 225649), (29, 194525), (31, 181975), (145, 38905), (155, 36395), (251, 22475), (725, 7781), (775, 7279), (899, 6275), (1255, 4495)]