78240410

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{28871}}^1$

素因数の和:29149

約数の個数: 16

約数和(自身を含む): 141357312

約数和(自身を除く): 63116902

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 28871, 57742, 144355, 288710, 7824041, 15648082, 39120205, 78240410]

約数ペア:

[(1, 78240410), (2, 39120205), (5, 15648082), (10, 7824041), (271, 288710), (542, 144355), (1355, 57742), (2710, 28871)]