2510178040

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{315349}}^1$

素因数の和:315559

約数の個数: 32

約数和(自身を含む): 5676300000

約数和(自身を除く): 3166121960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 315349, 630698, 1261396, 1576745, 2522792, 3153490, 6306980, 12613960, 62754451, 125508902, 251017804, 313772255, 502035608, 627544510, 1255089020, 2510178040]

約数ペア:

[(1, 2510178040), (2, 1255089020), (4, 627544510), (5, 502035608), (8, 313772255), (10, 251017804), (20, 125508902), (40, 62754451), (199, 12613960), (398, 6306980), (796, 3153490), (995, 2522792), (1592, 1576745), (1990, 1261396), (3980, 630698), (7960, 315349)]