85910480

素因数分解:

$2^4\times 5^1\times {\mathrm{1073881}}^1$

素因数の和:1073894

約数の個数: 20

約数和(自身を含む): 199742052

約数和(自身を除く): 113831572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1073881, 2147762, 4295524, 5369405, 8591048, 10738810, 17182096, 21477620, 42955240, 85910480]

約数ペア:

[(1, 85910480), (2, 42955240), (4, 21477620), (5, 17182096), (8, 10738810), (10, 8591048), (16, 5369405), (20, 4295524), (40, 2147762), (80, 1073881)]