51345220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{135119}}^1$

素因数の和:135147

約数の個数: 24

約数和(自身を含む): 113500800

約数和(自身を除く): 62155580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 135119, 270238, 540476, 675595, 1351190, 2567261, 2702380, 5134522, 10269044, 12836305, 25672610, 51345220]

約数ペア:

[(1, 51345220), (2, 25672610), (4, 12836305), (5, 10269044), (10, 5134522), (19, 2702380), (20, 2567261), (38, 1351190), (76, 675595), (95, 540476), (190, 270238), (380, 135119)]