87272020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13679}}^1$

素因数の和:13728

約数の個数: 48

約数和(自身を含む): 206841600

約数和(自身を除く): 119569580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 13679, 27358, 54716, 68395, 136790, 150469, 273580, 300938, 396691, 601876, 752345, 793382, 1504690, 1586764, 1983455, 3009380, 3966910, 4363601, 7933820, 8727202, 17454404, 21818005, 43636010, 87272020]

約数ペア:

[(1, 87272020), (2, 43636010), (4, 21818005), (5, 17454404), (10, 8727202), (11, 7933820), (20, 4363601), (22, 3966910), (29, 3009380), (44, 1983455), (55, 1586764), (58, 1504690), (110, 793382), (116, 752345), (145, 601876), (220, 396691), (290, 300938), (319, 273580), (580, 150469), (638, 136790), (1276, 68395), (1595, 54716), (3190, 27358), (6380, 13679)]