15760625

素因数分解:

$5^4\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:338

約数の個数: 20

約数和(自身を含む): 19943616

約数和(自身を除く): 4182991

約数列:

[1, 5, 25, 125, 151, 167, 625, 755, 835, 3775, 4175, 18875, 20875, 25217, 94375, 104375, 126085, 630425, 3152125, 15760625]

約数ペア:

[(1, 15760625), (5, 3152125), (25, 630425), (125, 126085), (151, 104375), (167, 94375), (625, 25217), (755, 20875), (835, 18875), (3775, 4175)]