51690760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4051}}^1$

素因数の和:4102

約数の個数: 64

約数和(自身を含む): 131284800

約数和(自身を除く): 79594040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 4051, 6380, 8102, 12760, 16204, 20255, 32408, 40510, 44561, 81020, 89122, 117479, 162040, 178244, 222805, 234958, 356488, 445610, 469916, 587395, 891220, 939832, 1174790, 1292269, 1782440, 2349580, 2584538, 4699160, 5169076, 6461345, 10338152, 12922690, 25845380, 51690760]

約数ペア:

[(1, 51690760), (2, 25845380), (4, 12922690), (5, 10338152), (8, 6461345), (10, 5169076), (11, 4699160), (20, 2584538), (22, 2349580), (29, 1782440), (40, 1292269), (44, 1174790), (55, 939832), (58, 891220), (88, 587395), (110, 469916), (116, 445610), (145, 356488), (220, 234958), (232, 222805), (290, 178244), (319, 162040), (440, 117479), (580, 89122), (638, 81020), (1160, 44561), (1276, 40510), (1595, 32408), (2552, 20255), (3190, 16204), (4051, 12760), (6380, 8102)]