1234408040

素因数分解:

$2^3\times 5^1\times {\mathrm{2357}}^1\times {\mathrm{13093}}^1$

素因数の和:15461

約数の個数: 32

約数和(自身を含む): 2778808680

約数和(自身を除く): 1544400640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2357, 4714, 9428, 11785, 13093, 18856, 23570, 26186, 47140, 52372, 65465, 94280, 104744, 130930, 261860, 523720, 30860201, 61720402, 123440804, 154301005, 246881608, 308602010, 617204020, 1234408040]

約数ペア:

[(1, 1234408040), (2, 617204020), (4, 308602010), (5, 246881608), (8, 154301005), (10, 123440804), (20, 61720402), (40, 30860201), (2357, 523720), (4714, 261860), (9428, 130930), (11785, 104744), (13093, 94280), (18856, 65465), (23570, 52372), (26186, 47140)]