212042960

素因数分解:

$2^4\times 5^1\times {\mathrm{2650537}}^1$

素因数の和:2650550

約数の個数: 20

約数和(自身を含む): 493000068

約数和(自身を除く): 280957108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2650537, 5301074, 10602148, 13252685, 21204296, 26505370, 42408592, 53010740, 106021480, 212042960]

約数ペア:

[(1, 212042960), (2, 106021480), (4, 53010740), (5, 42408592), (8, 26505370), (10, 21204296), (16, 13252685), (20, 10602148), (40, 5301074), (80, 2650537)]