39813680

素因数分解:

$2^4\times 5^1\times {\mathrm{497671}}^1$

素因数の和:497684

約数の個数: 20

約数和(自身を含む): 92566992

約数和(自身を除く): 52753312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 497671, 995342, 1990684, 2488355, 3981368, 4976710, 7962736, 9953420, 19906840, 39813680]

約数ペア:

[(1, 39813680), (2, 19906840), (4, 9953420), (5, 7962736), (8, 4976710), (10, 3981368), (16, 2488355), (20, 1990684), (40, 995342), (80, 497671)]