193778320

素因数分解:

$2^4\times 5^1\times {\mathrm{2422229}}^1$

素因数の和:2422242

約数の個数: 20

約数和(自身を含む): 450534780

約数和(自身を除く): 256756460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2422229, 4844458, 9688916, 12111145, 19377832, 24222290, 38755664, 48444580, 96889160, 193778320]

約数ペア:

[(1, 193778320), (2, 96889160), (4, 48444580), (5, 38755664), (8, 24222290), (10, 19377832), (16, 12111145), (20, 9688916), (40, 4844458), (80, 2422229)]