12705440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7219}}^1$

素因数の和:7245

約数の個数: 48

約数和(自身を含む): 32749920

約数和(自身を除く): 20044480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 7219, 14438, 28876, 36095, 57752, 72190, 79409, 115504, 144380, 158818, 231008, 288760, 317636, 397045, 577520, 635272, 794090, 1155040, 1270544, 1588180, 2541088, 3176360, 6352720, 12705440]

約数ペア:

[(1, 12705440), (2, 6352720), (4, 3176360), (5, 2541088), (8, 1588180), (10, 1270544), (11, 1155040), (16, 794090), (20, 635272), (22, 577520), (32, 397045), (40, 317636), (44, 288760), (55, 231008), (80, 158818), (88, 144380), (110, 115504), (160, 79409), (176, 72190), (220, 57752), (352, 36095), (440, 28876), (880, 14438), (1760, 7219)]