207636040

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{16691}}^1$

素因数の和:17013

約数の個数: 32

約数和(自身を含む): 468711360

約数和(自身を除く): 261075320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 16691, 33382, 66764, 83455, 133528, 166910, 333820, 667640, 5190901, 10381802, 20763604, 25954505, 41527208, 51909010, 103818020, 207636040]

約数ペア:

[(1, 207636040), (2, 103818020), (4, 51909010), (5, 41527208), (8, 25954505), (10, 20763604), (20, 10381802), (40, 5190901), (311, 667640), (622, 333820), (1244, 166910), (1555, 133528), (2488, 83455), (3110, 66764), (6220, 33382), (12440, 16691)]