42787840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 88

約数和(自身を含む): 105084792

約数和(自身を除く): 62296952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 137, 160, 244, 256, 274, 305, 320, 488, 512, 548, 610, 640, 685, 976, 1024, 1096, 1220, 1280, 1370, 1952, 2192, 2440, 2560, 2740, 3904, 4384, 4880, 5120, 5480, 7808, 8357, 8768, 9760, 10960, 15616, 16714, 17536, 19520, 21920, 31232, 33428, 35072, 39040, 41785, 43840, 62464, 66856, 70144, 78080, 83570, 87680, 133712, 140288, 156160, 167140, 175360, 267424, 312320, 334280, 350720, 534848, 668560, 701440, 1069696, 1337120, 2139392, 2674240, 4278784, 5348480, 8557568, 10696960, 21393920, 42787840]

約数ペア:

[(1, 42787840), (2, 21393920), (4, 10696960), (5, 8557568), (8, 5348480), (10, 4278784), (16, 2674240), (20, 2139392), (32, 1337120), (40, 1069696), (61, 701440), (64, 668560), (80, 534848), (122, 350720), (128, 334280), (137, 312320), (160, 267424), (244, 175360), (256, 167140), (274, 156160), (305, 140288), (320, 133712), (488, 87680), (512, 83570), (548, 78080), (610, 70144), (640, 66856), (685, 62464), (976, 43840), (1024, 41785), (1096, 39040), (1220, 35072), (1280, 33428), (1370, 31232), (1952, 21920), (2192, 19520), (2440, 17536), (2560, 16714), (2740, 15616), (3904, 10960), (4384, 9760), (4880, 8768), (5120, 8357), (5480, 7808)]