11247280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12781}}^1$

素因数の和:12805

約数の個数: 40

約数和(自身を含む): 28529424

約数和(自身を除く): 17282144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 12781, 25562, 51124, 63905, 102248, 127810, 140591, 204496, 255620, 281182, 511240, 562364, 702955, 1022480, 1124728, 1405910, 2249456, 2811820, 5623640, 11247280]

約数ペア:

[(1, 11247280), (2, 5623640), (4, 2811820), (5, 2249456), (8, 1405910), (10, 1124728), (11, 1022480), (16, 702955), (20, 562364), (22, 511240), (40, 281182), (44, 255620), (55, 204496), (80, 140591), (88, 127810), (110, 102248), (176, 63905), (220, 51124), (440, 25562), (880, 12781)]