128935180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53279}}^1$

素因数の和:53310

約数の個数: 36

約数和(自身を含む): 297622080

約数和(自身を除く): 168686900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 53279, 106558, 213116, 266395, 532790, 586069, 1065580, 1172138, 2344276, 2930345, 5860690, 6446759, 11721380, 12893518, 25787036, 32233795, 64467590, 128935180]

約数ペア:

[(1, 128935180), (2, 64467590), (4, 32233795), (5, 25787036), (10, 12893518), (11, 11721380), (20, 6446759), (22, 5860690), (44, 2930345), (55, 2344276), (110, 1172138), (121, 1065580), (220, 586069), (242, 532790), (484, 266395), (605, 213116), (1210, 106558), (2420, 53279)]