28016077820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{288647}}^1$

素因数の和:288890

約数の個数: 48

約数和(自身を含む): 61682923008

約数和(自身を除く): 33666845188

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 211, 230, 422, 460, 844, 1055, 2110, 4220, 4853, 9706, 19412, 24265, 48530, 97060, 288647, 577294, 1154588, 1443235, 2886470, 5772940, 6638881, 13277762, 26555524, 33194405, 60904517, 66388810, 121809034, 132777620, 243618068, 304522585, 609045170, 1218090340, 1400803891, 2801607782, 5603215564, 7004019455, 14008038910, 28016077820]

約数ペア:

[(1, 28016077820), (2, 14008038910), (4, 7004019455), (5, 5603215564), (10, 2801607782), (20, 1400803891), (23, 1218090340), (46, 609045170), (92, 304522585), (115, 243618068), (211, 132777620), (230, 121809034), (422, 66388810), (460, 60904517), (844, 33194405), (1055, 26555524), (2110, 13277762), (4220, 6638881), (4853, 5772940), (9706, 2886470), (19412, 1443235), (24265, 1154588), (48530, 577294), (97060, 288647)]