40690960

素因数分解:

$2^4\times 5^1\times {\mathrm{508637}}^1$

素因数の和:508650

約数の個数: 20

約数和(自身を含む): 94606668

約数和(自身を除く): 53915708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508637, 1017274, 2034548, 2543185, 4069096, 5086370, 8138192, 10172740, 20345480, 40690960]

約数ペア:

[(1, 40690960), (2, 20345480), (4, 10172740), (5, 8138192), (8, 5086370), (10, 4069096), (16, 2543185), (20, 2034548), (40, 1017274), (80, 508637)]