7261880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 16575840

約数和(自身を除く): 9313960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2557, 2840, 5114, 10228, 12785, 20456, 25570, 51140, 102280, 181547, 363094, 726188, 907735, 1452376, 1815470, 3630940, 7261880]

約数ペア:

[(1, 7261880), (2, 3630940), (4, 1815470), (5, 1452376), (8, 907735), (10, 726188), (20, 363094), (40, 181547), (71, 102280), (142, 51140), (284, 25570), (355, 20456), (568, 12785), (710, 10228), (1420, 5114), (2557, 2840)]