10260440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 23220000

約数和(自身を除く): 12959560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1289, 1592, 1990, 2578, 3980, 5156, 6445, 7960, 10312, 12890, 25780, 51560, 256511, 513022, 1026044, 1282555, 2052088, 2565110, 5130220, 10260440]

約数ペア:

[(1, 10260440), (2, 5130220), (4, 2565110), (5, 2052088), (8, 1282555), (10, 1026044), (20, 513022), (40, 256511), (199, 51560), (398, 25780), (796, 12890), (995, 10312), (1289, 7960), (1592, 6445), (1990, 5156), (2578, 3980)]