2008186480

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{127423}}^1$

素因数の和:127633

約数の個数: 40

約数和(自身を含む): 4692771072

約数和(自身を除く): 2684584592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 127423, 254846, 509692, 637115, 1019384, 1274230, 2038768, 2548460, 5096920, 10193840, 25102331, 50204662, 100409324, 125511655, 200818648, 251023310, 401637296, 502046620, 1004093240, 2008186480]

約数ペア:

[(1, 2008186480), (2, 1004093240), (4, 502046620), (5, 401637296), (8, 251023310), (10, 200818648), (16, 125511655), (20, 100409324), (40, 50204662), (80, 25102331), (197, 10193840), (394, 5096920), (788, 2548460), (985, 2038768), (1576, 1274230), (1970, 1019384), (3152, 637115), (3940, 509692), (7880, 254846), (15760, 127423)]