8126420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6661}}^1$

素因数の和:6731

約数の個数: 24

約数和(自身を含む): 17347848

約数和(自身を除く): 9221428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6661, 13322, 26644, 33305, 66610, 133220, 406321, 812642, 1625284, 2031605, 4063210, 8126420]

約数ペア:

[(1, 8126420), (2, 4063210), (4, 2031605), (5, 1625284), (10, 812642), (20, 406321), (61, 133220), (122, 66610), (244, 33305), (305, 26644), (610, 13322), (1220, 6661)]