55815740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{28771}}^1$

素因数の和:28877

約数の個数: 24

約数和(自身を含む): 118425552

約数和(自身を除く): 62609812

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 28771, 57542, 115084, 143855, 287710, 575420, 2790787, 5581574, 11163148, 13953935, 27907870, 55815740]

約数ペア:

[(1, 55815740), (2, 27907870), (4, 13953935), (5, 11163148), (10, 5581574), (20, 2790787), (97, 575420), (194, 287710), (388, 143855), (485, 115084), (970, 57542), (1940, 28771)]