8108080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2357}}^1$

素因数の和:2413

約数の個数: 40

約数和(自身を含む): 19297872

約数和(自身を除く): 11189792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2357, 3440, 4714, 9428, 11785, 18856, 23570, 37712, 47140, 94280, 101351, 188560, 202702, 405404, 506755, 810808, 1013510, 1621616, 2027020, 4054040, 8108080]

約数ペア:

[(1, 8108080), (2, 4054040), (4, 2027020), (5, 1621616), (8, 1013510), (10, 810808), (16, 506755), (20, 405404), (40, 202702), (43, 188560), (80, 101351), (86, 94280), (172, 47140), (215, 37712), (344, 23570), (430, 18856), (688, 11785), (860, 9428), (1720, 4714), (2357, 3440)]