28118200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12781}}^1$

素因数の和:12808

約数の個数: 48

約数和(自身を含む): 71323560

約数和(自身を除く): 43205360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 12781, 25562, 51124, 63905, 102248, 127810, 140591, 255620, 281182, 319525, 511240, 562364, 639050, 702955, 1124728, 1278100, 1405910, 2556200, 2811820, 3514775, 5623640, 7029550, 14059100, 28118200]

約数ペア:

[(1, 28118200), (2, 14059100), (4, 7029550), (5, 5623640), (8, 3514775), (10, 2811820), (11, 2556200), (20, 1405910), (22, 1278100), (25, 1124728), (40, 702955), (44, 639050), (50, 562364), (55, 511240), (88, 319525), (100, 281182), (110, 255620), (200, 140591), (220, 127810), (275, 102248), (440, 63905), (550, 51124), (1100, 25562), (2200, 12781)]