25655080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 37848920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 293, 398, 440, 586, 796, 995, 1172, 1465, 1592, 1990, 2189, 2344, 2930, 3223, 3980, 4378, 5860, 6446, 7960, 8756, 10945, 11720, 12892, 16115, 17512, 21890, 25784, 32230, 43780, 58307, 64460, 87560, 116614, 128920, 233228, 291535, 466456, 583070, 641377, 1166140, 1282754, 2332280, 2565508, 3206885, 5131016, 6413770, 12827540, 25655080]

約数ペア:

[(1, 25655080), (2, 12827540), (4, 6413770), (5, 5131016), (8, 3206885), (10, 2565508), (11, 2332280), (20, 1282754), (22, 1166140), (40, 641377), (44, 583070), (55, 466456), (88, 291535), (110, 233228), (199, 128920), (220, 116614), (293, 87560), (398, 64460), (440, 58307), (586, 43780), (796, 32230), (995, 25784), (1172, 21890), (1465, 17512), (1592, 16115), (1990, 12892), (2189, 11720), (2344, 10945), (2930, 8756), (3223, 7960), (3980, 6446), (4378, 5860)]