172954160

素因数分解:

$2^4\times 5^1\times {\mathrm{2161927}}^1$

素因数の和:2161940

約数の個数: 20

約数和(自身を含む): 402118608

約数和(自身を除く): 229164448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2161927, 4323854, 8647708, 10809635, 17295416, 21619270, 34590832, 43238540, 86477080, 172954160]

約数ペア:

[(1, 172954160), (2, 86477080), (4, 43238540), (5, 34590832), (8, 21619270), (10, 17295416), (16, 10809635), (20, 8647708), (40, 4323854), (80, 2161927)]