65157625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 88661664

約数和(自身を除く): 23504039

約数列:

[1, 5, 13, 25, 65, 101, 125, 325, 397, 505, 1313, 1625, 1985, 2525, 5161, 6565, 9925, 12625, 25805, 32825, 40097, 49625, 129025, 164125, 200485, 521261, 645125, 1002425, 2606305, 5012125, 13031525, 65157625]

約数ペア:

[(1, 65157625), (5, 13031525), (13, 5012125), (25, 2606305), (65, 1002425), (101, 645125), (125, 521261), (325, 200485), (397, 164125), (505, 129025), (1313, 49625), (1625, 40097), (1985, 32825), (2525, 25805), (5161, 12625), (6565, 9925)]