12804880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14551}}^1$

素因数の和:14575

約数の個数: 40

約数和(自身を含む): 32480064

約数和(自身を除く): 19675184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 14551, 29102, 58204, 72755, 116408, 145510, 160061, 232816, 291020, 320122, 582040, 640244, 800305, 1164080, 1280488, 1600610, 2560976, 3201220, 6402440, 12804880]

約数ペア:

[(1, 12804880), (2, 6402440), (4, 3201220), (5, 2560976), (8, 1600610), (10, 1280488), (11, 1164080), (16, 800305), (20, 640244), (22, 582040), (40, 320122), (44, 291020), (55, 232816), (80, 160061), (88, 145510), (110, 116408), (176, 72755), (220, 58204), (440, 29102), (880, 14551)]