520046180

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{65497}}^1$

素因数の和:65903

約数の個数: 24

約数和(自身を含む): 1094864568

約数和(自身を除く): 574818388

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 65497, 130994, 261988, 327485, 654970, 1309940, 26002309, 52004618, 104009236, 130011545, 260023090, 520046180]

約数ペア:

[(1, 520046180), (2, 260023090), (4, 130011545), (5, 104009236), (10, 52004618), (20, 26002309), (397, 1309940), (794, 654970), (1588, 327485), (1985, 261988), (3970, 130994), (7940, 65497)]