85208720

素因数分解:

$2^4\times 5^1\times {\mathrm{1065109}}^1$

素因数の和:1065122

約数の個数: 20

約数和(自身を含む): 198110460

約数和(自身を除く): 112901740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1065109, 2130218, 4260436, 5325545, 8520872, 10651090, 17041744, 21302180, 42604360, 85208720]

約数ペア:

[(1, 85208720), (2, 42604360), (4, 21302180), (5, 17041744), (8, 10651090), (10, 8520872), (16, 5325545), (20, 4260436), (40, 2130218), (80, 1065109)]