2841221680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3228661}}^1$

素因数の和:3228685

約数の個数: 40

約数和(自身を含む): 7206373584

約数和(自身を除く): 4365151904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3228661, 6457322, 12914644, 16143305, 25829288, 32286610, 35515271, 51658576, 64573220, 71030542, 129146440, 142061084, 177576355, 258292880, 284122168, 355152710, 568244336, 710305420, 1420610840, 2841221680]

約数ペア:

[(1, 2841221680), (2, 1420610840), (4, 710305420), (5, 568244336), (8, 355152710), (10, 284122168), (11, 258292880), (16, 177576355), (20, 142061084), (22, 129146440), (40, 71030542), (44, 64573220), (55, 51658576), (80, 35515271), (88, 32286610), (110, 25829288), (176, 16143305), (220, 12914644), (440, 6457322), (880, 3228661)]