51892720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 133071840

約数和(自身を除く): 81179120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 541, 545, 872, 880, 1082, 1090, 1199, 1744, 2164, 2180, 2398, 2705, 4328, 4360, 4796, 5410, 5951, 5995, 8656, 8720, 9592, 10820, 11902, 11990, 19184, 21640, 23804, 23980, 29755, 43280, 47608, 47960, 58969, 59510, 95216, 95920, 117938, 119020, 235876, 238040, 294845, 471752, 476080, 589690, 648659, 943504, 1179380, 1297318, 2358760, 2594636, 3243295, 4717520, 5189272, 6486590, 10378544, 12973180, 25946360, 51892720]

約数ペア:

[(1, 51892720), (2, 25946360), (4, 12973180), (5, 10378544), (8, 6486590), (10, 5189272), (11, 4717520), (16, 3243295), (20, 2594636), (22, 2358760), (40, 1297318), (44, 1179380), (55, 943504), (80, 648659), (88, 589690), (109, 476080), (110, 471752), (176, 294845), (218, 238040), (220, 235876), (436, 119020), (440, 117938), (541, 95920), (545, 95216), (872, 59510), (880, 58969), (1082, 47960), (1090, 47608), (1199, 43280), (1744, 29755), (2164, 23980), (2180, 23804), (2398, 21640), (2705, 19184), (4328, 11990), (4360, 11902), (4796, 10820), (5410, 9592), (5951, 8720), (5995, 8656)]