39793600520

素因数分解:

$2^3\times 5^1\times {\mathrm{994840013}}^1$

素因数の和:994840024

約数の個数: 16

約数和(自身を含む): 89535601260

約数和(自身を除く): 49742000740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 994840013, 1989680026, 3979360052, 4974200065, 7958720104, 9948400130, 19896800260, 39793600520]

約数ペア:

[(1, 39793600520), (2, 19896800260), (4, 9948400130), (5, 7958720104), (8, 4974200065), (10, 3979360052), (20, 1989680026), (40, 994840013)]