2021875640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1232851}}^1$

素因数の和:1232903

約数の個数: 32

約数和(自身を含む): 4660180560

約数和(自身を除く): 2638304920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1232851, 2465702, 4931404, 6164255, 9862808, 12328510, 24657020, 49314040, 50546891, 101093782, 202187564, 252734455, 404375128, 505468910, 1010937820, 2021875640]

約数ペア:

[(1, 2021875640), (2, 1010937820), (4, 505468910), (5, 404375128), (8, 252734455), (10, 202187564), (20, 101093782), (40, 50546891), (41, 49314040), (82, 24657020), (164, 12328510), (205, 9862808), (328, 6164255), (410, 4931404), (820, 2465702), (1640, 1232851)]