318852020

素因数分解:

$2^2\times 5^1\times {\mathrm{3863}}^1\times {\mathrm{4127}}^1$

素因数の和:7999

約数の個数: 24

約数和(自身を含む): 669924864

約数和(自身を除く): 351072844

約数列:

[1, 2, 4, 5, 10, 20, 3863, 4127, 7726, 8254, 15452, 16508, 19315, 20635, 38630, 41270, 77260, 82540, 15942601, 31885202, 63770404, 79713005, 159426010, 318852020]

約数ペア:

[(1, 318852020), (2, 159426010), (4, 79713005), (5, 63770404), (10, 31885202), (20, 15942601), (3863, 82540), (4127, 77260), (7726, 41270), (8254, 38630), (15452, 20635), (16508, 19315)]