66387340

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2063}}^1$

素因数の和:3681

約数の個数: 24

約数和(自身を含む): 139567680

約数和(自身を除く): 73180340

約数列:

[1, 2, 4, 5, 10, 20, 1609, 2063, 3218, 4126, 6436, 8045, 8252, 10315, 16090, 20630, 32180, 41260, 3319367, 6638734, 13277468, 16596835, 33193670, 66387340]

約数ペア:

[(1, 66387340), (2, 33193670), (4, 16596835), (5, 13277468), (10, 6638734), (20, 3319367), (1609, 41260), (2063, 32180), (3218, 20630), (4126, 16090), (6436, 10315), (8045, 8252)]