8021215240

素因数分解:

$2^3\times 5^1\times {\mathrm{200530381}}^1$

素因数の和:200530392

約数の個数: 16

約数和(自身を含む): 18047734380

約数和(自身を除く): 10026519140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 200530381, 401060762, 802121524, 1002651905, 1604243048, 2005303810, 4010607620, 8021215240]

約数ペア:

[(1, 8021215240), (2, 4010607620), (4, 2005303810), (5, 1604243048), (8, 1002651905), (10, 802121524), (20, 401060762), (40, 200530381)]