887028560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{14197}}^1$

素因数の和:14292

約数の個数: 80

約数和(自身を含む): 2281675392

約数和(自身を除く): 1394646832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 2840, 3124, 3905, 5680, 6248, 7810, 12496, 14197, 15620, 28394, 31240, 56788, 62480, 70985, 113576, 141970, 156167, 227152, 283940, 312334, 567880, 624668, 780835, 1007987, 1135760, 1249336, 1561670, 2015974, 2498672, 3123340, 4031948, 5039935, 6246680, 8063896, 10079870, 11087857, 12493360, 16127792, 20159740, 22175714, 40319480, 44351428, 55439285, 80638960, 88702856, 110878570, 177405712, 221757140, 443514280, 887028560]

約数ペア:

[(1, 887028560), (2, 443514280), (4, 221757140), (5, 177405712), (8, 110878570), (10, 88702856), (11, 80638960), (16, 55439285), (20, 44351428), (22, 40319480), (40, 22175714), (44, 20159740), (55, 16127792), (71, 12493360), (80, 11087857), (88, 10079870), (110, 8063896), (142, 6246680), (176, 5039935), (220, 4031948), (284, 3123340), (355, 2498672), (440, 2015974), (568, 1561670), (710, 1249336), (781, 1135760), (880, 1007987), (1136, 780835), (1420, 624668), (1562, 567880), (2840, 312334), (3124, 283940), (3905, 227152), (5680, 156167), (6248, 141970), (7810, 113576), (12496, 70985), (14197, 62480), (15620, 56788), (28394, 31240)]