2018263760

素因数分解:

$2^4\times 5^1\times {\mathrm{25228297}}^1$

素因数の和:25228310

約数の個数: 20

約数和(自身を含む): 4692463428

約数和(自身を除く): 2674199668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25228297, 50456594, 100913188, 126141485, 201826376, 252282970, 403652752, 504565940, 1009131880, 2018263760]

約数ペア:

[(1, 2018263760), (2, 1009131880), (4, 504565940), (5, 403652752), (8, 252282970), (10, 201826376), (16, 126141485), (20, 100913188), (40, 50456594), (80, 25228297)]