82518380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{911}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 198567936

約数和(自身を除く): 116049556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 911, 1294, 1822, 2588, 3235, 3644, 4529, 4555, 6377, 6470, 9058, 9110, 12754, 12940, 18116, 18220, 22645, 25508, 31885, 45290, 63770, 90580, 127540, 589417, 1178834, 2357668, 2947085, 4125919, 5894170, 8251838, 11788340, 16503676, 20629595, 41259190, 82518380]

約数ペア:

[(1, 82518380), (2, 41259190), (4, 20629595), (5, 16503676), (7, 11788340), (10, 8251838), (14, 5894170), (20, 4125919), (28, 2947085), (35, 2357668), (70, 1178834), (140, 589417), (647, 127540), (911, 90580), (1294, 63770), (1822, 45290), (2588, 31885), (3235, 25508), (3644, 22645), (4529, 18220), (4555, 18116), (6377, 12940), (6470, 12754), (9058, 9110)]