50391980

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1801}}^1$

素因数の和:3209

約数の個数: 24

約数和(自身を含む): 105957600

約数和(自身を除く): 55565620

約数列:

[1, 2, 4, 5, 10, 20, 1399, 1801, 2798, 3602, 5596, 6995, 7204, 9005, 13990, 18010, 27980, 36020, 2519599, 5039198, 10078396, 12597995, 25195990, 50391980]

約数ペア:

[(1, 50391980), (2, 25195990), (4, 12597995), (5, 10078396), (10, 5039198), (20, 2519599), (1399, 36020), (1801, 27980), (2798, 18010), (3602, 13990), (5596, 9005), (6995, 7204)]