15861920

素因数分解:

$2^5\times 5^1\times {\mathrm{99137}}^1$

素因数の和:99152

約数の個数: 24

約数和(自身を含む): 37474164

約数和(自身を除く): 21612244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 99137, 198274, 396548, 495685, 793096, 991370, 1586192, 1982740, 3172384, 3965480, 7930960, 15861920]

約数ペア:

[(1, 15861920), (2, 7930960), (4, 3965480), (5, 3172384), (8, 1982740), (10, 1586192), (16, 991370), (20, 793096), (32, 495685), (40, 396548), (80, 198274), (160, 99137)]