40985120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 111608280

約数和(自身を除く): 70623160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 73, 80, 88, 110, 116, 121, 145, 146, 160, 176, 220, 232, 242, 290, 292, 319, 352, 365, 440, 464, 484, 580, 584, 605, 638, 730, 803, 880, 928, 968, 1160, 1168, 1210, 1276, 1460, 1595, 1606, 1760, 1936, 2117, 2320, 2336, 2420, 2552, 2920, 3190, 3212, 3509, 3872, 4015, 4234, 4640, 4840, 5104, 5840, 6380, 6424, 7018, 8030, 8468, 8833, 9680, 10208, 10585, 11680, 12760, 12848, 14036, 16060, 16936, 17545, 17666, 19360, 21170, 23287, 25520, 25696, 28072, 32120, 33872, 35090, 35332, 42340, 44165, 46574, 51040, 56144, 64240, 67744, 70180, 70664, 84680, 88330, 93148, 112288, 116435, 128480, 140360, 141328, 169360, 176660, 186296, 232870, 256157, 280720, 282656, 338720, 353320, 372592, 465740, 512314, 561440, 706640, 745184, 931480, 1024628, 1280785, 1413280, 1862960, 2049256, 2561570, 3725920, 4098512, 5123140, 8197024, 10246280, 20492560, 40985120]

約数ペア:

[(1, 40985120), (2, 20492560), (4, 10246280), (5, 8197024), (8, 5123140), (10, 4098512), (11, 3725920), (16, 2561570), (20, 2049256), (22, 1862960), (29, 1413280), (32, 1280785), (40, 1024628), (44, 931480), (55, 745184), (58, 706640), (73, 561440), (80, 512314), (88, 465740), (110, 372592), (116, 353320), (121, 338720), (145, 282656), (146, 280720), (160, 256157), (176, 232870), (220, 186296), (232, 176660), (242, 169360), (290, 141328), (292, 140360), (319, 128480), (352, 116435), (365, 112288), (440, 93148), (464, 88330), (484, 84680), (580, 70664), (584, 70180), (605, 67744), (638, 64240), (730, 56144), (803, 51040), (880, 46574), (928, 44165), (968, 42340), (1160, 35332), (1168, 35090), (1210, 33872), (1276, 32120), (1460, 28072), (1595, 25696), (1606, 25520), (1760, 23287), (1936, 21170), (2117, 19360), (2320, 17666), (2336, 17545), (2420, 16936), (2552, 16060), (2920, 14036), (3190, 12848), (3212, 12760), (3509, 11680), (3872, 10585), (4015, 10208), (4234, 9680), (4640, 8833), (4840, 8468), (5104, 8030), (5840, 7018), (6380, 6424)]