49655120

素因数分解:

$2^4\times 5^1\times {\mathrm{620689}}^1$

素因数の和:620702

約数の個数: 20

約数和(自身を含む): 115448340

約数和(自身を除く): 65793220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 620689, 1241378, 2482756, 3103445, 4965512, 6206890, 9931024, 12413780, 24827560, 49655120]

約数ペア:

[(1, 49655120), (2, 24827560), (4, 12413780), (5, 9931024), (8, 6206890), (10, 4965512), (16, 3103445), (20, 2482756), (40, 1241378), (80, 620689)]