12518020

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1609}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 26371800

約数和(自身を除く): 13853780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1609, 1945, 3218, 3890, 6436, 7780, 8045, 16090, 32180, 625901, 1251802, 2503604, 3129505, 6259010, 12518020]

約数ペア:

[(1, 12518020), (2, 6259010), (4, 3129505), (5, 2503604), (10, 1251802), (20, 625901), (389, 32180), (778, 16090), (1556, 8045), (1609, 7780), (1945, 6436), (3218, 3890)]