15697812080

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{630941}}^1$

素因数の和:631265

約数の個数: 40

約数和(自身を含む): 36614826144

約数和(自身を除く): 20917014064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 12440, 24880, 630941, 1261882, 2523764, 3154705, 5047528, 6309410, 10095056, 12618820, 25237640, 50475280, 196222651, 392445302, 784890604, 981113255, 1569781208, 1962226510, 3139562416, 3924453020, 7848906040, 15697812080]

約数ペア:

[(1, 15697812080), (2, 7848906040), (4, 3924453020), (5, 3139562416), (8, 1962226510), (10, 1569781208), (16, 981113255), (20, 784890604), (40, 392445302), (80, 196222651), (311, 50475280), (622, 25237640), (1244, 12618820), (1555, 10095056), (2488, 6309410), (3110, 5047528), (4976, 3154705), (6220, 2523764), (12440, 1261882), (24880, 630941)]