64232180

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{8009}}^1$

素因数の和:8419

約数の個数: 24

約数和(自身を含む): 135240840

約数和(自身を除く): 71008660

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8009, 8020, 16018, 32036, 40045, 80090, 160180, 3211609, 6423218, 12846436, 16058045, 32116090, 64232180]

約数ペア:

[(1, 64232180), (2, 32116090), (4, 16058045), (5, 12846436), (10, 6423218), (20, 3211609), (401, 160180), (802, 80090), (1604, 40045), (2005, 32036), (4010, 16018), (8009, 8020)]