8720625

素因数分解:

$3^1\times 5^4\times {\mathrm{4651}}^1$

素因数の和:4674

約数の個数: 20

約数和(自身を含む): 14532848

約数和(自身を除く): 5812223

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 4651, 13953, 23255, 69765, 116275, 348825, 581375, 1744125, 2906875, 8720625]

約数ペア:

[(1, 8720625), (3, 2906875), (5, 1744125), (15, 581375), (25, 348825), (75, 116275), (125, 69765), (375, 23255), (625, 13953), (1875, 4651)]