83654320

素因数分解:

$2^4\times 5^1\times {\mathrm{1045679}}^1$

素因数の和:1045692

約数の個数: 20

約数和(自身を含む): 194496480

約数和(自身を除く): 110842160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1045679, 2091358, 4182716, 5228395, 8365432, 10456790, 16730864, 20913580, 41827160, 83654320]

約数ペア:

[(1, 83654320), (2, 41827160), (4, 20913580), (5, 16730864), (8, 10456790), (10, 8365432), (16, 5228395), (20, 4182716), (40, 2091358), (80, 1045679)]