218773040

素因数分解:

$2^4\times 5^1\times {\mathrm{2734663}}^1$

素因数の和:2734676

約数の個数: 20

約数和(自身を含む): 508647504

約数和(自身を除く): 289874464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2734663, 5469326, 10938652, 13673315, 21877304, 27346630, 43754608, 54693260, 109386520, 218773040]

約数ペア:

[(1, 218773040), (2, 109386520), (4, 54693260), (5, 43754608), (8, 27346630), (10, 21877304), (16, 13673315), (20, 10938652), (40, 5469326), (80, 2734663)]