158180080

素因数分解:

$2^4\times 5^1\times {\mathrm{1977251}}^1$

素因数の和:1977264

約数の個数: 20

約数和(自身を含む): 367768872

約数和(自身を除く): 209588792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1977251, 3954502, 7909004, 9886255, 15818008, 19772510, 31636016, 39545020, 79090040, 158180080]

約数ペア:

[(1, 158180080), (2, 79090040), (4, 39545020), (5, 31636016), (8, 19772510), (10, 15818008), (16, 9886255), (20, 7909004), (40, 3954502), (80, 1977251)]