51251620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7789}}^1$

素因数の和:7852

約数の個数: 48

約数和(自身を含む): 125637120

約数和(自身を除く): 74385500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 7789, 15578, 31156, 38945, 54523, 77890, 109046, 155780, 218092, 272615, 366083, 545230, 732166, 1090460, 1464332, 1830415, 2562581, 3660830, 5125162, 7321660, 10250324, 12812905, 25625810, 51251620]

約数ペア:

[(1, 51251620), (2, 25625810), (4, 12812905), (5, 10250324), (7, 7321660), (10, 5125162), (14, 3660830), (20, 2562581), (28, 1830415), (35, 1464332), (47, 1090460), (70, 732166), (94, 545230), (140, 366083), (188, 272615), (235, 218092), (329, 155780), (470, 109046), (658, 77890), (940, 54523), (1316, 38945), (1645, 31156), (3290, 15578), (6580, 7789)]