55877780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13763}}^1$

素因数の和:13808

約数の個数: 48

約数和(自身を含む): 138741120

約数和(自身を除く): 82863340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 13763, 27526, 55052, 68815, 96341, 137630, 192682, 275260, 385364, 399127, 481705, 798254, 963410, 1596508, 1926820, 1995635, 2793889, 3991270, 5587778, 7982540, 11175556, 13969445, 27938890, 55877780]

約数ペア:

[(1, 55877780), (2, 27938890), (4, 13969445), (5, 11175556), (7, 7982540), (10, 5587778), (14, 3991270), (20, 2793889), (28, 1995635), (29, 1926820), (35, 1596508), (58, 963410), (70, 798254), (116, 481705), (140, 399127), (145, 385364), (203, 275260), (290, 192682), (406, 137630), (580, 96341), (812, 68815), (1015, 55052), (2030, 27526), (4060, 13763)]