72382160

素因数分解:

$2^4\times 5^1\times {\mathrm{904777}}^1$

素因数の和:904790

約数の個数: 20

約数和(自身を含む): 168288708

約数和(自身を除く): 95906548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 904777, 1809554, 3619108, 4523885, 7238216, 9047770, 14476432, 18095540, 36191080, 72382160]

約数ペア:

[(1, 72382160), (2, 36191080), (4, 18095540), (5, 14476432), (8, 9047770), (10, 7238216), (16, 4523885), (20, 3619108), (40, 1809554), (80, 904777)]