1040981780

素因数分解:

$2^2\times 5^1\times {\mathrm{13187}}^1\times {\mathrm{3947}}^1$

素因数の和:17143

約数の個数: 24

約数和(自身を含む): 2186781408

約数和(自身を除く): 1145799628

約数列:

[1, 2, 4, 5, 10, 20, 3947, 7894, 13187, 15788, 19735, 26374, 39470, 52748, 65935, 78940, 131870, 263740, 52049089, 104098178, 208196356, 260245445, 520490890, 1040981780]

約数ペア:

[(1, 1040981780), (2, 520490890), (4, 260245445), (5, 208196356), (10, 104098178), (20, 52049089), (3947, 263740), (7894, 131870), (13187, 78940), (15788, 65935), (19735, 52748), (26374, 39470)]