996982160

素因数分解:

$2^4\times 5^1\times {\mathrm{12462277}}^1$

素因数の和:12462290

約数の個数: 20

約数和(自身を含む): 2317983708

約数和(自身を除く): 1321001548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12462277, 24924554, 49849108, 62311385, 99698216, 124622770, 199396432, 249245540, 498491080, 996982160]

約数ペア:

[(1, 996982160), (2, 498491080), (4, 249245540), (5, 199396432), (8, 124622770), (10, 99698216), (16, 62311385), (20, 49849108), (40, 24924554), (80, 12462277)]