1374321280

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49939}}^1$

素因数の和:50001

約数の個数: 64

約数和(自身を含む): 3361960800

約数和(自身を除く): 1987639520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 5504, 6880, 13760, 27520, 49939, 99878, 199756, 249695, 399512, 499390, 799024, 998780, 1598048, 1997560, 2147377, 3196096, 3995120, 4294754, 6392192, 7990240, 8589508, 10736885, 15980480, 17179016, 21473770, 31960960, 34358032, 42947540, 68716064, 85895080, 137432128, 171790160, 274864256, 343580320, 687160640, 1374321280]

約数ペア:

[(1, 1374321280), (2, 687160640), (4, 343580320), (5, 274864256), (8, 171790160), (10, 137432128), (16, 85895080), (20, 68716064), (32, 42947540), (40, 34358032), (43, 31960960), (64, 21473770), (80, 17179016), (86, 15980480), (128, 10736885), (160, 8589508), (172, 7990240), (215, 6392192), (320, 4294754), (344, 3995120), (430, 3196096), (640, 2147377), (688, 1997560), (860, 1598048), (1376, 998780), (1720, 799024), (2752, 499390), (3440, 399512), (5504, 249695), (6880, 199756), (13760, 99878), (27520, 49939)]