64627760

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6361}}^1$

素因数の和:6501

約数の個数: 40

約数和(自身を含む): 151466496

約数和(自身を除く): 86838736

約数列:

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

約数ペア:

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