80786180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{55333}}^1$

素因数の和:55415

約数の個数: 24

約数和(自身を含む): 171978072

約数和(自身を除く): 91191892

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 55333, 110666, 221332, 276665, 553330, 1106660, 4039309, 8078618, 16157236, 20196545, 40393090, 80786180]

約数ペア:

[(1, 80786180), (2, 40393090), (4, 20196545), (5, 16157236), (10, 8078618), (20, 4039309), (73, 1106660), (146, 553330), (292, 276665), (365, 221332), (730, 110666), (1460, 55333)]