80959960

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15937}}^1$

素因数の和:16075

約数の個数: 32

約数和(自身を含む): 183605760

約数和(自身を除く): 102645800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 15937, 31874, 63748, 79685, 127496, 159370, 318740, 637480, 2023999, 4047998, 8095996, 10119995, 16191992, 20239990, 40479980, 80959960]

約数ペア:

[(1, 80959960), (2, 40479980), (4, 20239990), (5, 16191992), (8, 10119995), (10, 8095996), (20, 4047998), (40, 2023999), (127, 637480), (254, 318740), (508, 159370), (635, 127496), (1016, 79685), (1270, 63748), (2540, 31874), (5080, 15937)]