80541830

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{18181}}^1$

素因数の和:18631

約数の個数: 16

約数和(自身を含む): 145310544

約数和(自身を除く): 64768714

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 18181, 36362, 90905, 181810, 8054183, 16108366, 40270915, 80541830]

約数ペア:

[(1, 80541830), (2, 40270915), (5, 16108366), (10, 8054183), (443, 181810), (886, 90905), (2215, 36362), (4430, 18181)]