90260080

素因数分解:

$2^4\times 5^1\times {\mathrm{1128251}}^1$

素因数の和:1128264

約数の個数: 20

約数和(自身を含む): 209854872

約数和(自身を除く): 119594792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1128251, 2256502, 4513004, 5641255, 9026008, 11282510, 18052016, 22565020, 45130040, 90260080]

約数ペア:

[(1, 90260080), (2, 45130040), (4, 22565020), (5, 18052016), (8, 11282510), (10, 9026008), (16, 5641255), (20, 4513004), (40, 2256502), (80, 1128251)]