56460280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 131544000

約数和(自身を除く): 75083720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 173, 199, 205, 328, 346, 398, 410, 692, 796, 820, 865, 995, 1384, 1592, 1640, 1730, 1990, 3460, 3980, 6920, 7093, 7960, 8159, 14186, 16318, 28372, 32636, 34427, 35465, 40795, 56744, 65272, 68854, 70930, 81590, 137708, 141860, 163180, 172135, 275416, 283720, 326360, 344270, 688540, 1377080, 1411507, 2823014, 5646028, 7057535, 11292056, 14115070, 28230140, 56460280]

約数ペア:

[(1, 56460280), (2, 28230140), (4, 14115070), (5, 11292056), (8, 7057535), (10, 5646028), (20, 2823014), (40, 1411507), (41, 1377080), (82, 688540), (164, 344270), (173, 326360), (199, 283720), (205, 275416), (328, 172135), (346, 163180), (398, 141860), (410, 137708), (692, 81590), (796, 70930), (820, 68854), (865, 65272), (995, 56744), (1384, 40795), (1592, 35465), (1640, 34427), (1730, 32636), (1990, 28372), (3460, 16318), (3980, 14186), (6920, 8159), (7093, 7960)]