129255520

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6361}}^1$

素因数の和:6503

約数の個数: 48

約数和(自身を含む): 307819008

約数和(自身を除く): 178563488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 6361, 10160, 12722, 20320, 25444, 31805, 50888, 63610, 101776, 127220, 203552, 254440, 508880, 807847, 1017760, 1615694, 3231388, 4039235, 6462776, 8078470, 12925552, 16156940, 25851104, 32313880, 64627760, 129255520]

約数ペア:

[(1, 129255520), (2, 64627760), (4, 32313880), (5, 25851104), (8, 16156940), (10, 12925552), (16, 8078470), (20, 6462776), (32, 4039235), (40, 3231388), (80, 1615694), (127, 1017760), (160, 807847), (254, 508880), (508, 254440), (635, 203552), (1016, 127220), (1270, 101776), (2032, 63610), (2540, 50888), (4064, 31805), (5080, 25444), (6361, 20320), (10160, 12722)]