51543160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18149}}^1$

素因数の和:18231

約数の個数: 32

約数和(自身を含む): 117612000

約数和(自身を除く): 66068840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 18149, 36298, 72596, 90745, 145192, 181490, 362980, 725960, 1288579, 2577158, 5154316, 6442895, 10308632, 12885790, 25771580, 51543160]

約数ペア:

[(1, 51543160), (2, 25771580), (4, 12885790), (5, 10308632), (8, 6442895), (10, 5154316), (20, 2577158), (40, 1288579), (71, 725960), (142, 362980), (284, 181490), (355, 145192), (568, 90745), (710, 72596), (1420, 36298), (2840, 18149)]