8045790980

素因数分解:

$2^2\times 5^1\times {\mathrm{402289549}}^1$

素因数の和:402289558

約数の個数: 12

約数和(自身を含む): 16896161100

約数和(自身を除く): 8850370120

約数列:

[1, 2, 4, 5, 10, 20, 402289549, 804579098, 1609158196, 2011447745, 4022895490, 8045790980]

約数ペア:

[(1, 8045790980), (2, 4022895490), (4, 2011447745), (5, 1609158196), (10, 804579098), (20, 402289549)]