55165840

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7109}}^1$

素因数の和:7219

約数の個数: 40

約数和(自身を含む): 129601080

約数和(自身を除く): 74435240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7109, 7760, 14218, 28436, 35545, 56872, 71090, 113744, 142180, 284360, 568720, 689573, 1379146, 2758292, 3447865, 5516584, 6895730, 11033168, 13791460, 27582920, 55165840]

約数ペア:

[(1, 55165840), (2, 27582920), (4, 13791460), (5, 11033168), (8, 6895730), (10, 5516584), (16, 3447865), (20, 2758292), (40, 1379146), (80, 689573), (97, 568720), (194, 284360), (388, 142180), (485, 113744), (776, 71090), (970, 56872), (1552, 35545), (1940, 28436), (3880, 14218), (7109, 7760)]