8010220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5641}}^1$

素因数の和:5721

約数の個数: 24

約数和(自身を含む): 17061408

約数和(自身を除く): 9051188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5641, 11282, 22564, 28205, 56410, 112820, 400511, 801022, 1602044, 2002555, 4005110, 8010220]

約数ペア:

[(1, 8010220), (2, 4005110), (4, 2002555), (5, 1602044), (10, 801022), (20, 400511), (71, 112820), (142, 56410), (284, 28205), (355, 22564), (710, 11282), (1420, 5641)]