2020850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3134

約数の個数: 24

約数和(自身を含む): 4049220

約数和(自身を除く): 2028370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 3109, 6218, 15545, 31090, 40417, 77725, 80834, 155450, 202085, 404170, 1010425, 2020850]

約数ペア:

[(1, 2020850), (2, 1010425), (5, 404170), (10, 202085), (13, 155450), (25, 80834), (26, 77725), (50, 40417), (65, 31090), (130, 15545), (325, 6218), (650, 3109)]