16215220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115823}}^1$

素因数の和:115839

約数の個数: 24

約数和(自身を含む): 38916864

約数和(自身を除く): 22701644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115823, 231646, 463292, 579115, 810761, 1158230, 1621522, 2316460, 3243044, 4053805, 8107610, 16215220]

約数ペア:

[(1, 16215220), (2, 8107610), (4, 4053805), (5, 3243044), (7, 2316460), (10, 1621522), (14, 1158230), (20, 810761), (28, 579115), (35, 463292), (70, 231646), (140, 115823)]