102428560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 258577200

約数和(自身を除く): 156148640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 149, 208, 260, 298, 520, 596, 661, 745, 1040, 1192, 1322, 1490, 1937, 2384, 2644, 2980, 3305, 3874, 5288, 5960, 6610, 7748, 8593, 9685, 10576, 11920, 13220, 15496, 17186, 19370, 26440, 30992, 34372, 38740, 42965, 52880, 68744, 77480, 85930, 98489, 137488, 154960, 171860, 196978, 343720, 393956, 492445, 687440, 787912, 984890, 1280357, 1575824, 1969780, 2560714, 3939560, 5121428, 6401785, 7879120, 10242856, 12803570, 20485712, 25607140, 51214280, 102428560]

約数ペア:

[(1, 102428560), (2, 51214280), (4, 25607140), (5, 20485712), (8, 12803570), (10, 10242856), (13, 7879120), (16, 6401785), (20, 5121428), (26, 3939560), (40, 2560714), (52, 1969780), (65, 1575824), (80, 1280357), (104, 984890), (130, 787912), (149, 687440), (208, 492445), (260, 393956), (298, 343720), (520, 196978), (596, 171860), (661, 154960), (745, 137488), (1040, 98489), (1192, 85930), (1322, 77480), (1490, 68744), (1937, 52880), (2384, 42965), (2644, 38740), (2980, 34372), (3305, 30992), (3874, 26440), (5288, 19370), (5960, 17186), (6610, 15496), (7748, 13220), (8593, 11920), (9685, 10576)]