85870580

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{3109}}^1$

素因数の和:4499

約数の個数: 24

約数和(自身を含む): 180516840

約数和(自身を除く): 94646260

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 3109, 5524, 6218, 6905, 12436, 13810, 15545, 27620, 31090, 62180, 4293529, 8587058, 17174116, 21467645, 42935290, 85870580]

約数ペア:

[(1, 85870580), (2, 42935290), (4, 21467645), (5, 17174116), (10, 8587058), (20, 4293529), (1381, 62180), (2762, 31090), (3109, 27620), (5524, 15545), (6218, 13810), (6905, 12436)]