7872920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 20023200

約数和(自身を除く): 12150280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 617, 638, 1160, 1234, 1276, 1595, 2468, 2552, 3085, 3190, 4936, 6170, 6380, 6787, 12340, 12760, 13574, 17893, 24680, 27148, 33935, 35786, 54296, 67870, 71572, 89465, 135740, 143144, 178930, 196823, 271480, 357860, 393646, 715720, 787292, 984115, 1574584, 1968230, 3936460, 7872920]

約数ペア:

[(1, 7872920), (2, 3936460), (4, 1968230), (5, 1574584), (8, 984115), (10, 787292), (11, 715720), (20, 393646), (22, 357860), (29, 271480), (40, 196823), (44, 178930), (55, 143144), (58, 135740), (88, 89465), (110, 71572), (116, 67870), (145, 54296), (220, 35786), (232, 33935), (290, 27148), (319, 24680), (440, 17893), (580, 13574), (617, 12760), (638, 12340), (1160, 6787), (1234, 6380), (1276, 6170), (1595, 4936), (2468, 3190), (2552, 3085)]