80015240

素因数分解:

$2^3\times 5^1\times {\mathrm{2000381}}^1$

素因数の和:2000392

約数の個数: 16

約数和(自身を含む): 180034380

約数和(自身を除く): 100019140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2000381, 4000762, 8001524, 10001905, 16003048, 20003810, 40007620, 80015240]

約数ペア:

[(1, 80015240), (2, 40007620), (4, 20003810), (5, 16003048), (8, 10001905), (10, 8001524), (20, 4000762), (40, 2000381)]