1640804060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11720029}}^1$

素因数の和:11720045

約数の個数: 24

約数和(自身を含む): 3937930080

約数和(自身を除く): 2297126020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11720029, 23440058, 46880116, 58600145, 82040203, 117200290, 164080406, 234400580, 328160812, 410201015, 820402030, 1640804060]

約数ペア:

[(1, 1640804060), (2, 820402030), (4, 410201015), (5, 328160812), (7, 234400580), (10, 164080406), (14, 117200290), (20, 82040203), (28, 58600145), (35, 46880116), (70, 23440058), (140, 11720029)]