51815270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1889}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 100971360

約数和(自身を除く): 49156090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 1889, 2110, 2743, 3778, 5486, 9445, 13715, 18890, 24557, 27430, 49114, 122785, 245570, 398579, 797158, 1992895, 3985790, 5181527, 10363054, 25907635, 51815270]

約数ペア:

[(1, 51815270), (2, 25907635), (5, 10363054), (10, 5181527), (13, 3985790), (26, 1992895), (65, 797158), (130, 398579), (211, 245570), (422, 122785), (1055, 49114), (1889, 27430), (2110, 24557), (2743, 18890), (3778, 13715), (5486, 9445)]