80716504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 171642240

約数和(自身を除く): 90925736

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 83, 86, 88, 166, 172, 257, 332, 344, 473, 514, 664, 913, 946, 1028, 1826, 1892, 2056, 2827, 3569, 3652, 3784, 5654, 7138, 7304, 11051, 11308, 14276, 21331, 22102, 22616, 28552, 39259, 42662, 44204, 78518, 85324, 88408, 121561, 157036, 170648, 234641, 243122, 314072, 469282, 486244, 917233, 938564, 972488, 1834466, 1877128, 3668932, 7337864, 10089563, 20179126, 40358252, 80716504]

約数ペア:

[(1, 80716504), (2, 40358252), (4, 20179126), (8, 10089563), (11, 7337864), (22, 3668932), (43, 1877128), (44, 1834466), (83, 972488), (86, 938564), (88, 917233), (166, 486244), (172, 469282), (257, 314072), (332, 243122), (344, 234641), (473, 170648), (514, 157036), (664, 121561), (913, 88408), (946, 85324), (1028, 78518), (1826, 44204), (1892, 42662), (2056, 39259), (2827, 28552), (3569, 22616), (3652, 22102), (3784, 21331), (5654, 14276), (7138, 11308), (7304, 11051)]