8181220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3823}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 17345664

約数和(自身を除く): 9164444

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 3823, 7646, 15292, 19115, 38230, 76460, 409061, 818122, 1636244, 2045305, 4090610, 8181220]

約数ペア:

[(1, 8181220), (2, 4090610), (4, 2045305), (5, 1636244), (10, 818122), (20, 409061), (107, 76460), (214, 38230), (428, 19115), (535, 15292), (1070, 7646), (2140, 3823)]