8920625

素因数分解:

$5^4\times 7^1\times {\mathrm{2039}}^1$

素因数の和:2066

約数の個数: 20

約数和(自身を含む): 12745920

約数和(自身を除く): 3825295

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 2039, 4375, 10195, 14273, 50975, 71365, 254875, 356825, 1274375, 1784125, 8920625]

約数ペア:

[(1, 8920625), (5, 1784125), (7, 1274375), (25, 356825), (35, 254875), (125, 71365), (175, 50975), (625, 14273), (875, 10195), (2039, 4375)]