38811520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 104652000

約数和(自身を除く): 65840480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 128, 148, 149, 160, 176, 185, 220, 296, 298, 320, 352, 370, 407, 440, 592, 596, 640, 704, 740, 745, 814, 880, 1184, 1192, 1408, 1480, 1490, 1628, 1639, 1760, 2035, 2368, 2384, 2960, 2980, 3256, 3278, 3520, 4070, 4736, 4768, 5513, 5920, 5960, 6512, 6556, 7040, 8140, 8195, 9536, 11026, 11840, 11920, 13024, 13112, 16280, 16390, 19072, 22052, 23680, 23840, 26048, 26224, 27565, 32560, 32780, 44104, 47680, 52096, 52448, 55130, 60643, 65120, 65560, 88208, 95360, 104896, 110260, 121286, 130240, 131120, 176416, 209792, 220520, 242572, 260480, 262240, 303215, 352832, 441040, 485144, 524480, 606430, 705664, 882080, 970288, 1048960, 1212860, 1764160, 1940576, 2425720, 3528320, 3881152, 4851440, 7762304, 9702880, 19405760, 38811520]

約数ペア:

[(1, 38811520), (2, 19405760), (4, 9702880), (5, 7762304), (8, 4851440), (10, 3881152), (11, 3528320), (16, 2425720), (20, 1940576), (22, 1764160), (32, 1212860), (37, 1048960), (40, 970288), (44, 882080), (55, 705664), (64, 606430), (74, 524480), (80, 485144), (88, 441040), (110, 352832), (128, 303215), (148, 262240), (149, 260480), (160, 242572), (176, 220520), (185, 209792), (220, 176416), (296, 131120), (298, 130240), (320, 121286), (352, 110260), (370, 104896), (407, 95360), (440, 88208), (592, 65560), (596, 65120), (640, 60643), (704, 55130), (740, 52448), (745, 52096), (814, 47680), (880, 44104), (1184, 32780), (1192, 32560), (1408, 27565), (1480, 26224), (1490, 26048), (1628, 23840), (1639, 23680), (1760, 22052), (2035, 19072), (2368, 16390), (2384, 16280), (2960, 13112), (2980, 13024), (3256, 11920), (3278, 11840), (3520, 11026), (4070, 9536), (4736, 8195), (4768, 8140), (5513, 7040), (5920, 6556), (5960, 6512)]