1818580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 3870720

約数和(自身を除く): 2052140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1151, 1580, 2302, 4604, 5755, 11510, 23020, 90929, 181858, 363716, 454645, 909290, 1818580]

約数ペア:

[(1, 1818580), (2, 909290), (4, 454645), (5, 363716), (10, 181858), (20, 90929), (79, 23020), (158, 11510), (316, 5755), (395, 4604), (790, 2302), (1151, 1580)]