408098960

素因数分解:

$2^4\times 5^1\times {\mathrm{5101237}}^1$

素因数の和:5101250

約数の個数: 20

約数和(自身を含む): 948830268

約数和(自身を除く): 540731308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5101237, 10202474, 20404948, 25506185, 40809896, 51012370, 81619792, 102024740, 204049480, 408098960]

約数ペア:

[(1, 408098960), (2, 204049480), (4, 102024740), (5, 81619792), (8, 51012370), (10, 40809896), (16, 25506185), (20, 20404948), (40, 10202474), (80, 5101237)]