315026875

素因数分解:

$5^4\times {\mathrm{61}}^1\times {\mathrm{8263}}^1$

素因数の和:8344

約数の個数: 20

約数和(自身を含む): 400159408

約数和(自身を除く): 85132533

約数列:

[1, 5, 25, 61, 125, 305, 625, 1525, 7625, 8263, 38125, 41315, 206575, 504043, 1032875, 2520215, 5164375, 12601075, 63005375, 315026875]

約数ペア:

[(1, 315026875), (5, 63005375), (25, 12601075), (61, 5164375), (125, 2520215), (305, 1032875), (625, 504043), (1525, 206575), (7625, 41315), (8263, 38125)]