8244520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2903}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 18817920

約数和(自身を除く): 10573400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 2903, 5806, 11612, 14515, 23224, 29030, 58060, 116120, 206113, 412226, 824452, 1030565, 1648904, 2061130, 4122260, 8244520]

約数ペア:

[(1, 8244520), (2, 4122260), (4, 2061130), (5, 1648904), (8, 1030565), (10, 824452), (20, 412226), (40, 206113), (71, 116120), (142, 58060), (284, 29030), (355, 23224), (568, 14515), (710, 11612), (1420, 5806), (2840, 2903)]