25719728

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{1987}}^1$

素因数の和:2804

約数の個数: 20

約数和(自身を含む): 49918680

約数和(自身を除く): 24198952

約数列:

[1, 2, 4, 8, 16, 809, 1618, 1987, 3236, 3974, 6472, 7948, 12944, 15896, 31792, 1607483, 3214966, 6429932, 12859864, 25719728]

約数ペア:

[(1, 25719728), (2, 12859864), (4, 6429932), (8, 3214966), (16, 1607483), (809, 31792), (1618, 15896), (1987, 12944), (3236, 7948), (3974, 6472)]