25920625

素因数分解:

$5^4\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:706

約数の個数: 20

約数和(自身を含む): 32926960

約数和(自身を除く): 7006335

約数列:

[1, 5, 25, 67, 125, 335, 619, 625, 1675, 3095, 8375, 15475, 41473, 41875, 77375, 207365, 386875, 1036825, 5184125, 25920625]

約数ペア:

[(1, 25920625), (5, 5184125), (25, 1036825), (67, 386875), (125, 207365), (335, 77375), (619, 41875), (625, 41473), (1675, 15475), (3095, 8375)]