25663870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{461}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 48898080

約数和(自身を除く): 23234210

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 293, 461, 586, 922, 1465, 2305, 2930, 4610, 5567, 8759, 11134, 17518, 27835, 43795, 55670, 87590, 135073, 270146, 675365, 1350730, 2566387, 5132774, 12831935, 25663870]

約数ペア:

[(1, 25663870), (2, 12831935), (5, 5132774), (10, 2566387), (19, 1350730), (38, 675365), (95, 270146), (190, 135073), (293, 87590), (461, 55670), (586, 43795), (922, 27835), (1465, 17518), (2305, 11134), (2930, 8759), (4610, 5567)]