7250680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1663}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 16473600

約数和(自身を除く): 9222920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1663, 2180, 3326, 4360, 6652, 8315, 13304, 16630, 33260, 66520, 181267, 362534, 725068, 906335, 1450136, 1812670, 3625340, 7250680]

約数ペア:

[(1, 7250680), (2, 3625340), (4, 1812670), (5, 1450136), (8, 906335), (10, 725068), (20, 362534), (40, 181267), (109, 66520), (218, 33260), (436, 16630), (545, 13304), (872, 8315), (1090, 6652), (1663, 4360), (2180, 3326)]