55505240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{28319}}^1$

素因数の和:28344

約数の個数: 48

約数和(自身を含む): 145281600

約数和(自身を除く): 89776360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 28319, 56638, 113276, 141595, 198233, 226552, 283190, 396466, 566380, 792932, 991165, 1132760, 1387631, 1585864, 1982330, 2775262, 3964660, 5550524, 6938155, 7929320, 11101048, 13876310, 27752620, 55505240]

約数ペア:

[(1, 55505240), (2, 27752620), (4, 13876310), (5, 11101048), (7, 7929320), (8, 6938155), (10, 5550524), (14, 3964660), (20, 2775262), (28, 1982330), (35, 1585864), (40, 1387631), (49, 1132760), (56, 991165), (70, 792932), (98, 566380), (140, 396466), (196, 283190), (245, 226552), (280, 198233), (392, 141595), (490, 113276), (980, 56638), (1960, 28319)]