2055361640

素因数分解:

$2^3\times 5^1\times {\mathrm{51384041}}^1$

素因数の和:51384052

約数の個数: 16

約数和(自身を含む): 4624563780

約数和(自身を除く): 2569202140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51384041, 102768082, 205536164, 256920205, 411072328, 513840410, 1027680820, 2055361640]

約数ペア:

[(1, 2055361640), (2, 1027680820), (4, 513840410), (5, 411072328), (8, 256920205), (10, 205536164), (20, 102768082), (40, 51384041)]