278712080

素因数分解:

$2^4\times 5^1\times {\mathrm{3483901}}^1$

素因数の和:3483914

約数の個数: 20

約数和(自身を含む): 648005772

約数和(自身を除く): 369293692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3483901, 6967802, 13935604, 17419505, 27871208, 34839010, 55742416, 69678020, 139356040, 278712080]

約数ペア:

[(1, 278712080), (2, 139356040), (4, 69678020), (5, 55742416), (8, 34839010), (10, 27871208), (16, 17419505), (20, 13935604), (40, 6967802), (80, 3483901)]