810692420

素因数分解:

$2^2\times 5^1\times {\mathrm{2437}}^1\times {\mathrm{16633}}^1$

素因数の和:19079

約数の個数: 24

約数和(自身を含む): 1703255064

約数和(自身を除く): 892562644

約数列:

[1, 2, 4, 5, 10, 20, 2437, 4874, 9748, 12185, 16633, 24370, 33266, 48740, 66532, 83165, 166330, 332660, 40534621, 81069242, 162138484, 202673105, 405346210, 810692420]

約数ペア:

[(1, 810692420), (2, 405346210), (4, 202673105), (5, 162138484), (10, 81069242), (20, 40534621), (2437, 332660), (4874, 166330), (9748, 83165), (12185, 66532), (16633, 48740), (24370, 33266)]