2000889080

素因数分解:

$2^3\times 5^1\times {\mathrm{2351}}^1\times {\mathrm{21277}}^1$

素因数の和:23639

約数の個数: 32

約数和(自身を含む): 4504127040

約数和(自身を除く): 2503237960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2351, 4702, 9404, 11755, 18808, 21277, 23510, 42554, 47020, 85108, 94040, 106385, 170216, 212770, 425540, 851080, 50022227, 100044454, 200088908, 250111135, 400177816, 500222270, 1000444540, 2000889080]

約数ペア:

[(1, 2000889080), (2, 1000444540), (4, 500222270), (5, 400177816), (8, 250111135), (10, 200088908), (20, 100044454), (40, 50022227), (2351, 851080), (4702, 425540), (9404, 212770), (11755, 170216), (18808, 106385), (21277, 94040), (23510, 85108), (42554, 47020)]