340485760

素因数分解:

$2^7\times 5^1\times {\mathrm{532009}}^1$

素因数の和:532028

約数の個数: 32

約数和(自身を含む): 813975300

約数和(自身を除く): 473489540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 532009, 1064018, 2128036, 2660045, 4256072, 5320090, 8512144, 10640180, 17024288, 21280360, 34048576, 42560720, 68097152, 85121440, 170242880, 340485760]

約数ペア:

[(1, 340485760), (2, 170242880), (4, 85121440), (5, 68097152), (8, 42560720), (10, 34048576), (16, 21280360), (20, 17024288), (32, 10640180), (40, 8512144), (64, 5320090), (80, 4256072), (128, 2660045), (160, 2128036), (320, 1064018), (640, 532009)]