55189640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:2982

約数の個数: 64

約数和(自身を含む): 138663360

約数和(自身を除く): 83473720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 2917, 3784, 4730, 5834, 9460, 11668, 14585, 18920, 23336, 29170, 32087, 58340, 64174, 116680, 125431, 128348, 160435, 250862, 256696, 320870, 501724, 627155, 641740, 1003448, 1254310, 1283480, 1379741, 2508620, 2759482, 5017240, 5518964, 6898705, 11037928, 13797410, 27594820, 55189640]

約数ペア:

[(1, 55189640), (2, 27594820), (4, 13797410), (5, 11037928), (8, 6898705), (10, 5518964), (11, 5017240), (20, 2759482), (22, 2508620), (40, 1379741), (43, 1283480), (44, 1254310), (55, 1003448), (86, 641740), (88, 627155), (110, 501724), (172, 320870), (215, 256696), (220, 250862), (344, 160435), (430, 128348), (440, 125431), (473, 116680), (860, 64174), (946, 58340), (1720, 32087), (1892, 29170), (2365, 23336), (2917, 18920), (3784, 14585), (4730, 11668), (5834, 9460)]