79973360

素因数分解:

$2^4\times 5^1\times {\mathrm{999667}}^1$

素因数の和:999680

約数の個数: 20

約数和(自身を含む): 185938248

約数和(自身を除く): 105964888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 999667, 1999334, 3998668, 4998335, 7997336, 9996670, 15994672, 19993340, 39986680, 79973360]

約数ペア:

[(1, 79973360), (2, 39986680), (4, 19993340), (5, 15994672), (8, 9996670), (10, 7997336), (16, 4998335), (20, 3998668), (40, 1999334), (80, 999667)]