85770040

素因数分解:

$2^3\times 5^1\times {\mathrm{2144251}}^1$

素因数の和:2144262

約数の個数: 16

約数和(自身を含む): 192982680

約数和(自身を除く): 107212640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2144251, 4288502, 8577004, 10721255, 17154008, 21442510, 42885020, 85770040]

約数ペア:

[(1, 85770040), (2, 42885020), (4, 21442510), (5, 17154008), (8, 10721255), (10, 8577004), (20, 4288502), (40, 2144251)]