55421920

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3571}}^1$

素因数の和:3683

約数の個数: 48

約数和(自身を含む): 132321168

約数和(自身を除く): 76899248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3571, 3880, 7142, 7760, 14284, 15520, 17855, 28568, 35710, 57136, 71420, 114272, 142840, 285680, 346387, 571360, 692774, 1385548, 1731935, 2771096, 3463870, 5542192, 6927740, 11084384, 13855480, 27710960, 55421920]

約数ペア:

[(1, 55421920), (2, 27710960), (4, 13855480), (5, 11084384), (8, 6927740), (10, 5542192), (16, 3463870), (20, 2771096), (32, 1731935), (40, 1385548), (80, 692774), (97, 571360), (160, 346387), (194, 285680), (388, 142840), (485, 114272), (776, 71420), (970, 57136), (1552, 35710), (1940, 28568), (3104, 17855), (3571, 15520), (3880, 14284), (7142, 7760)]