22981520

素因数分解:

$2^4\times 5^1\times {\mathrm{287269}}^1$

素因数の和:287282

約数の個数: 20

約数和(自身を含む): 53432220

約数和(自身を除く): 30450700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 287269, 574538, 1149076, 1436345, 2298152, 2872690, 4596304, 5745380, 11490760, 22981520]

約数ペア:

[(1, 22981520), (2, 11490760), (4, 5745380), (5, 4596304), (8, 2872690), (10, 2298152), (16, 1436345), (20, 1149076), (40, 574538), (80, 287269)]