8230220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5209}}^1$

素因数の和:5297

約数の個数: 24

約数和(自身を含む): 17505600

約数和(自身を除く): 9275380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5209, 10418, 20836, 26045, 52090, 104180, 411511, 823022, 1646044, 2057555, 4115110, 8230220]

約数ペア:

[(1, 8230220), (2, 4115110), (4, 2057555), (5, 1646044), (10, 823022), (20, 411511), (79, 104180), (158, 52090), (316, 26045), (395, 20836), (790, 10418), (1580, 5209)]