67421020

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{2699}}^1$

素因数の和:3957

約数の個数: 24

約数和(自身を含む): 141750000

約数和(自身を除く): 74328980

約数列:

[1, 2, 4, 5, 10, 20, 1249, 2498, 2699, 4996, 5398, 6245, 10796, 12490, 13495, 24980, 26990, 53980, 3371051, 6742102, 13484204, 16855255, 33710510, 67421020]

約数ペア:

[(1, 67421020), (2, 33710510), (4, 16855255), (5, 13484204), (10, 6742102), (20, 3371051), (1249, 53980), (2498, 26990), (2699, 24980), (4996, 13495), (5398, 12490), (6245, 10796)]