30540425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 39497472

約数和(自身を除く): 8957047

約数列:

[1, 5, 25, 31, 155, 157, 251, 775, 785, 1255, 3925, 4867, 6275, 7781, 24335, 38905, 39407, 121675, 194525, 197035, 985175, 1221617, 6108085, 30540425]

約数ペア:

[(1, 30540425), (5, 6108085), (25, 1221617), (31, 985175), (155, 197035), (157, 194525), (251, 121675), (775, 39407), (785, 38905), (1255, 24335), (3925, 7781), (4867, 6275)]