23221360

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2663}}^1$

素因数の和:2785

約数の個数: 40

約数和(自身を含む): 54505440

約数和(自身を除く): 31284080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2663, 4360, 5326, 8720, 10652, 13315, 21304, 26630, 42608, 53260, 106520, 213040, 290267, 580534, 1161068, 1451335, 2322136, 2902670, 4644272, 5805340, 11610680, 23221360]

約数ペア:

[(1, 23221360), (2, 11610680), (4, 5805340), (5, 4644272), (8, 2902670), (10, 2322136), (16, 1451335), (20, 1161068), (40, 580534), (80, 290267), (109, 213040), (218, 106520), (436, 53260), (545, 42608), (872, 26630), (1090, 21304), (1744, 13315), (2180, 10652), (2663, 8720), (4360, 5326)]