8448040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1663}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 19169280

約数和(自身を除く): 10721240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1663, 2540, 3326, 5080, 6652, 8315, 13304, 16630, 33260, 66520, 211201, 422402, 844804, 1056005, 1689608, 2112010, 4224020, 8448040]

約数ペア:

[(1, 8448040), (2, 4224020), (4, 2112010), (5, 1689608), (8, 1056005), (10, 844804), (20, 422402), (40, 211201), (127, 66520), (254, 33260), (508, 16630), (635, 13304), (1016, 8315), (1270, 6652), (1663, 5080), (2540, 3326)]