25965020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68329}}^1$

素因数の和:68357

約数の個数: 24

約数和(自身を含む): 57397200

約数和(自身を除く): 31432180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 68329, 136658, 273316, 341645, 683290, 1298251, 1366580, 2596502, 5193004, 6491255, 12982510, 25965020]

約数ペア:

[(1, 25965020), (2, 12982510), (4, 6491255), (5, 5193004), (10, 2596502), (19, 1366580), (20, 1298251), (38, 683290), (76, 341645), (95, 273316), (190, 136658), (380, 68329)]