2788280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6337}}^1$

素因数の和:6359

約数の個数: 32

約数和(自身を含む): 6845040

約数和(自身を除く): 4056760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6337, 12674, 25348, 31685, 50696, 63370, 69707, 126740, 139414, 253480, 278828, 348535, 557656, 697070, 1394140, 2788280]

約数ペア:

[(1, 2788280), (2, 1394140), (4, 697070), (5, 557656), (8, 348535), (10, 278828), (11, 253480), (20, 139414), (22, 126740), (40, 69707), (44, 63370), (55, 50696), (88, 31685), (110, 25348), (220, 12674), (440, 6337)]