28681400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13037}}^1$

素因数の和:13064

約数の個数: 48

約数和(自身を含む): 72752040

約数和(自身を除く): 44070640

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, 13037, 26074, 52148, 65185, 104296, 130370, 143407, 260740, 286814, 325925, 521480, 573628, 651850, 717035, 1147256, 1303700, 1434070, 2607400, 2868140, 3585175, 5736280, 7170350, 14340700, 28681400]

約数ペア:

[(1, 28681400), (2, 14340700), (4, 7170350), (5, 5736280), (8, 3585175), (10, 2868140), (11, 2607400), (20, 1434070), (22, 1303700), (25, 1147256), (40, 717035), (44, 651850), (50, 573628), (55, 521480), (88, 325925), (100, 286814), (110, 260740), (200, 143407), (220, 130370), (275, 104296), (440, 65185), (550, 52148), (1100, 26074), (2200, 13037)]