154920880

素因数分解:

$2^4\times 5^1\times {\mathrm{1936511}}^1$

素因数の和:1936524

約数の個数: 20

約数和(自身を含む): 360191232

約数和(自身を除く): 205270352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1936511, 3873022, 7746044, 9682555, 15492088, 19365110, 30984176, 38730220, 77460440, 154920880]

約数ペア:

[(1, 154920880), (2, 77460440), (4, 38730220), (5, 30984176), (8, 19365110), (10, 15492088), (16, 9682555), (20, 7746044), (40, 3873022), (80, 1936511)]