85870480

素因数分解:

$2^4\times 5^1\times {\mathrm{1073381}}^1$

素因数の和:1073394

約数の個数: 20

約数和(自身を含む): 199649052

約数和(自身を除く): 113778572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1073381, 2146762, 4293524, 5366905, 8587048, 10733810, 17174096, 21467620, 42935240, 85870480]

約数ペア:

[(1, 85870480), (2, 42935240), (4, 21467620), (5, 17174096), (8, 10733810), (10, 8587048), (16, 5366905), (20, 4293524), (40, 2146762), (80, 1073381)]