80340008

素因数分解:

$2^3\times 7^2\times {\mathrm{311}}^1\times {\mathrm{659}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 176061600

約数和(自身を除く): 95721592

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 311, 392, 622, 659, 1244, 1318, 2177, 2488, 2636, 4354, 4613, 5272, 8708, 9226, 15239, 17416, 18452, 30478, 32291, 36904, 60956, 64582, 121912, 129164, 204949, 258328, 409898, 819796, 1434643, 1639592, 2869286, 5738572, 10042501, 11477144, 20085002, 40170004, 80340008]

約数ペア:

[(1, 80340008), (2, 40170004), (4, 20085002), (7, 11477144), (8, 10042501), (14, 5738572), (28, 2869286), (49, 1639592), (56, 1434643), (98, 819796), (196, 409898), (311, 258328), (392, 204949), (622, 129164), (659, 121912), (1244, 64582), (1318, 60956), (2177, 36904), (2488, 32291), (2636, 30478), (4354, 18452), (4613, 17416), (5272, 15239), (8708, 9226)]