25997936

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{39631}}^1$

素因数の和:39680

約数の個数: 20

約数和(自身を含む): 51600864

約数和(自身を除く): 25602928

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 39631, 79262, 158524, 317048, 634096, 1624871, 3249742, 6499484, 12998968, 25997936]

約数ペア:

[(1, 25997936), (2, 12998968), (4, 6499484), (8, 3249742), (16, 1624871), (41, 634096), (82, 317048), (164, 158524), (328, 79262), (656, 39631)]