201957640

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{3863}}^1$

素因数の和:5181

約数の個数: 32

約数和(自身を含む): 454870080

約数和(自身を除く): 252912440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 2614, 3863, 5228, 6535, 7726, 10456, 13070, 15452, 19315, 26140, 30904, 38630, 52280, 77260, 154520, 5048941, 10097882, 20195764, 25244705, 40391528, 50489410, 100978820, 201957640]

約数ペア:

[(1, 201957640), (2, 100978820), (4, 50489410), (5, 40391528), (8, 25244705), (10, 20195764), (20, 10097882), (40, 5048941), (1307, 154520), (2614, 77260), (3863, 52280), (5228, 38630), (6535, 30904), (7726, 26140), (10456, 19315), (13070, 15452)]