8436980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10289}}^1$

素因数の和:10339

約数の個数: 24

約数和(自身を含む): 18151560

約数和(自身を除く): 9714580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10289, 20578, 41156, 51445, 102890, 205780, 421849, 843698, 1687396, 2109245, 4218490, 8436980]

約数ペア:

[(1, 8436980), (2, 4218490), (4, 2109245), (5, 1687396), (10, 843698), (20, 421849), (41, 205780), (82, 102890), (164, 51445), (205, 41156), (410, 20578), (820, 10289)]