39946060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25939}}^1$

素因数の和:25966

約数の個数: 48

約数和(自身を含む): 104590080

約数和(自身を除く): 64644020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 25939, 51878, 103756, 129695, 181573, 259390, 285329, 363146, 518780, 570658, 726292, 907865, 1141316, 1426645, 1815730, 1997303, 2853290, 3631460, 3994606, 5706580, 7989212, 9986515, 19973030, 39946060]

約数ペア:

[(1, 39946060), (2, 19973030), (4, 9986515), (5, 7989212), (7, 5706580), (10, 3994606), (11, 3631460), (14, 2853290), (20, 1997303), (22, 1815730), (28, 1426645), (35, 1141316), (44, 907865), (55, 726292), (70, 570658), (77, 518780), (110, 363146), (140, 285329), (154, 259390), (220, 181573), (308, 129695), (385, 103756), (770, 51878), (1540, 25939)]