20171812280

素因数分解:

$2^3\times 5^1\times {\mathrm{8527}}^1\times {\mathrm{59141}}^1$

素因数の和:67679

約数の個数: 32

約数和(自身を含む): 45392667840

約数和(自身を除く): 25220855560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8527, 17054, 34108, 42635, 59141, 68216, 85270, 118282, 170540, 236564, 295705, 341080, 473128, 591410, 1182820, 2365640, 504295307, 1008590614, 2017181228, 2521476535, 4034362456, 5042953070, 10085906140, 20171812280]

約数ペア:

[(1, 20171812280), (2, 10085906140), (4, 5042953070), (5, 4034362456), (8, 2521476535), (10, 2017181228), (20, 1008590614), (40, 504295307), (8527, 2365640), (17054, 1182820), (34108, 591410), (42635, 473128), (59141, 341080), (68216, 295705), (85270, 236564), (118282, 170540)]