1290140960

素因数分解:

$2^5\times 5^1\times {\mathrm{8063381}}^1$

素因数の和:8063396

約数の個数: 24

約数和(自身を含む): 3047958396

約数和(自身を除く): 1757817436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 8063381, 16126762, 32253524, 40316905, 64507048, 80633810, 129014096, 161267620, 258028192, 322535240, 645070480, 1290140960]

約数ペア:

[(1, 1290140960), (2, 645070480), (4, 322535240), (5, 258028192), (8, 161267620), (10, 129014096), (16, 80633810), (20, 64507048), (32, 40316905), (40, 32253524), (80, 16126762), (160, 8063381)]