51003020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 110953920

約数和(自身を除く): 59950900

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 314, 370, 439, 628, 740, 785, 878, 1570, 1756, 2195, 3140, 4390, 5809, 8780, 11618, 16243, 23236, 29045, 32486, 58090, 64972, 68923, 81215, 116180, 137846, 162430, 275692, 324860, 344615, 689230, 1378460, 2550151, 5100302, 10200604, 12750755, 25501510, 51003020]

約数ペア:

[(1, 51003020), (2, 25501510), (4, 12750755), (5, 10200604), (10, 5100302), (20, 2550151), (37, 1378460), (74, 689230), (148, 344615), (157, 324860), (185, 275692), (314, 162430), (370, 137846), (439, 116180), (628, 81215), (740, 68923), (785, 64972), (878, 58090), (1570, 32486), (1756, 29045), (2195, 23236), (3140, 16243), (4390, 11618), (5809, 8780)]