80216668

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 167086080

約数和(自身を除く): 86869412

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 223, 406, 443, 446, 812, 886, 892, 1561, 1772, 3101, 3122, 6202, 6244, 6467, 12404, 12847, 12934, 25694, 25868, 45269, 51388, 89929, 90538, 98789, 179858, 181076, 197578, 359716, 395156, 691523, 1383046, 2766092, 2864881, 5729762, 11459524, 20054167, 40108334, 80216668]

約数ペア:

[(1, 80216668), (2, 40108334), (4, 20054167), (7, 11459524), (14, 5729762), (28, 2864881), (29, 2766092), (58, 1383046), (116, 691523), (203, 395156), (223, 359716), (406, 197578), (443, 181076), (446, 179858), (812, 98789), (886, 90538), (892, 89929), (1561, 51388), (1772, 45269), (3101, 25868), (3122, 25694), (6202, 12934), (6244, 12847), (6467, 12404)]