55578160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 142303392

約数和(自身を除く): 86725232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 461, 548, 685, 880, 922, 1096, 1370, 1507, 1844, 2192, 2305, 2740, 3014, 3688, 4610, 5071, 5480, 6028, 7376, 7535, 9220, 10142, 10960, 12056, 15070, 18440, 20284, 24112, 25355, 30140, 36880, 40568, 50710, 60280, 63157, 81136, 101420, 120560, 126314, 202840, 252628, 315785, 405680, 505256, 631570, 694727, 1010512, 1263140, 1389454, 2526280, 2778908, 3473635, 5052560, 5557816, 6947270, 11115632, 13894540, 27789080, 55578160]

約数ペア:

[(1, 55578160), (2, 27789080), (4, 13894540), (5, 11115632), (8, 6947270), (10, 5557816), (11, 5052560), (16, 3473635), (20, 2778908), (22, 2526280), (40, 1389454), (44, 1263140), (55, 1010512), (80, 694727), (88, 631570), (110, 505256), (137, 405680), (176, 315785), (220, 252628), (274, 202840), (440, 126314), (461, 120560), (548, 101420), (685, 81136), (880, 63157), (922, 60280), (1096, 50710), (1370, 40568), (1507, 36880), (1844, 30140), (2192, 25355), (2305, 24112), (2740, 20284), (3014, 18440), (3688, 15070), (4610, 12056), (5071, 10960), (5480, 10142), (6028, 9220), (7376, 7535)]