388772080

素因数分解:

$2^4\times 5^1\times {\mathrm{4859651}}^1$

素因数の和:4859664

約数の個数: 20

約数和(自身を含む): 903895272

約数和(自身を除く): 515123192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4859651, 9719302, 19438604, 24298255, 38877208, 48596510, 77754416, 97193020, 194386040, 388772080]

約数ペア:

[(1, 388772080), (2, 194386040), (4, 97193020), (5, 77754416), (8, 48596510), (10, 38877208), (16, 24298255), (20, 19438604), (40, 9719302), (80, 4859651)]