71366980

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{7151}}^1$

素因数の和:7659

約数の個数: 24

約数和(自身を含む): 150192000

約数和(自身を除く): 78825020

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 7151, 9980, 14302, 28604, 35755, 71510, 143020, 3568349, 7136698, 14273396, 17841745, 35683490, 71366980]

約数ペア:

[(1, 71366980), (2, 35683490), (4, 17841745), (5, 14273396), (10, 7136698), (20, 3568349), (499, 143020), (998, 71510), (1996, 35755), (2495, 28604), (4990, 14302), (7151, 9980)]