90418960

素因数分解:

$2^4\times 5^1\times {\mathrm{1130237}}^1$

素因数の和:1130250

約数の個数: 20

約数和(自身を含む): 210224268

約数和(自身を除く): 119805308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1130237, 2260474, 4520948, 5651185, 9041896, 11302370, 18083792, 22604740, 45209480, 90418960]

約数ペア:

[(1, 90418960), (2, 45209480), (4, 22604740), (5, 18083792), (8, 11302370), (10, 9041896), (16, 5651185), (20, 4520948), (40, 2260474), (80, 1130237)]