28665200

素因数分解:

$2^4\times 5^2\times {\mathrm{71663}}^1$

素因数の和:71681

約数の個数: 30

約数和(自身を含む): 68869104

約数和(自身を除く): 40203904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71663, 143326, 286652, 358315, 573304, 716630, 1146608, 1433260, 1791575, 2866520, 3583150, 5733040, 7166300, 14332600, 28665200]

約数ペア:

[(1, 28665200), (2, 14332600), (4, 7166300), (5, 5733040), (8, 3583150), (10, 2866520), (16, 1791575), (20, 1433260), (25, 1146608), (40, 716630), (50, 573304), (80, 358315), (100, 286652), (200, 143326), (400, 71663)]