138011920

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{2081}}^1$

素因数の和:2923

約数の個数: 40

約数和(自身を含む): 321419160

約数和(自身を除く): 183407240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1658, 2081, 3316, 4145, 4162, 6632, 8290, 8324, 10405, 13264, 16580, 16648, 20810, 33160, 33296, 41620, 66320, 83240, 166480, 1725149, 3450298, 6900596, 8625745, 13801192, 17251490, 27602384, 34502980, 69005960, 138011920]

約数ペア:

[(1, 138011920), (2, 69005960), (4, 34502980), (5, 27602384), (8, 17251490), (10, 13801192), (16, 8625745), (20, 6900596), (40, 3450298), (80, 1725149), (829, 166480), (1658, 83240), (2081, 66320), (3316, 41620), (4145, 33296), (4162, 33160), (6632, 20810), (8290, 16648), (8324, 16580), (10405, 13264)]