7921360

素因数分解:

$2^4\times 5^1\times {\mathrm{99017}}^1$

素因数の和:99030

約数の個数: 20

約数和(自身を含む): 18417348

約数和(自身を除く): 10495988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99017, 198034, 396068, 495085, 792136, 990170, 1584272, 1980340, 3960680, 7921360]

約数ペア:

[(1, 7921360), (2, 3960680), (4, 1980340), (5, 1584272), (8, 990170), (10, 792136), (16, 495085), (20, 396068), (40, 198034), (80, 99017)]