71079080

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2017}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 160188840

約数和(自身を除く): 89109760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 2017, 3524, 4034, 4405, 7048, 8068, 8810, 10085, 16136, 17620, 20170, 35240, 40340, 80680, 1776977, 3553954, 7107908, 8884885, 14215816, 17769770, 35539540, 71079080]

約数ペア:

[(1, 71079080), (2, 35539540), (4, 17769770), (5, 14215816), (8, 8884885), (10, 7107908), (20, 3553954), (40, 1776977), (881, 80680), (1762, 40340), (2017, 35240), (3524, 20170), (4034, 17620), (4405, 16136), (7048, 10085), (8068, 8810)]