26285960

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2557}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 59396760

約数和(自身を除く): 33110800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2557, 2570, 5114, 5140, 10228, 10280, 12785, 20456, 25570, 51140, 102280, 657149, 1314298, 2628596, 3285745, 5257192, 6571490, 13142980, 26285960]

約数ペア:

[(1, 26285960), (2, 13142980), (4, 6571490), (5, 5257192), (8, 3285745), (10, 2628596), (20, 1314298), (40, 657149), (257, 102280), (514, 51140), (1028, 25570), (1285, 20456), (2056, 12785), (2557, 10280), (2570, 10228), (5114, 5140)]