72856360

素因数分解:

$2^3\times 5^1\times {\mathrm{1821409}}^1$

素因数の和:1821420

約数の個数: 16

約数和(自身を含む): 163926900

約数和(自身を除く): 91070540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1821409, 3642818, 7285636, 9107045, 14571272, 18214090, 36428180, 72856360]

約数ペア:

[(1, 72856360), (2, 36428180), (4, 18214090), (5, 14571272), (8, 9107045), (10, 7285636), (20, 3642818), (40, 1821409)]