28828360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65519}}^1$

素因数の和:65541

約数の個数: 32

約数和(自身を含む): 70761600

約数和(自身を除く): 41933240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 65519, 131038, 262076, 327595, 524152, 655190, 720709, 1310380, 1441418, 2620760, 2882836, 3603545, 5765672, 7207090, 14414180, 28828360]

約数ペア:

[(1, 28828360), (2, 14414180), (4, 7207090), (5, 5765672), (8, 3603545), (10, 2882836), (11, 2620760), (20, 1441418), (22, 1310380), (40, 720709), (44, 655190), (55, 524152), (88, 327595), (110, 262076), (220, 131038), (440, 65519)]