40293040

素因数分解:

$2^4\times 5^1\times {\mathrm{503663}}^1$

素因数の和:503676

約数の個数: 20

約数和(自身を含む): 93681504

約数和(自身を除く): 53388464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503663, 1007326, 2014652, 2518315, 4029304, 5036630, 8058608, 10073260, 20146520, 40293040]

約数ペア:

[(1, 40293040), (2, 20146520), (4, 10073260), (5, 8058608), (8, 5036630), (10, 4029304), (16, 2518315), (20, 2014652), (40, 1007326), (80, 503663)]