40479980

素因数分解:

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

素因数の和:16073

約数の個数: 24

約数和(自身を含む): 85682688

約数和(自身を除く): 45202708

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 15937, 31874, 63748, 79685, 159370, 318740, 2023999, 4047998, 8095996, 10119995, 20239990, 40479980]

約数ペア:

[(1, 40479980), (2, 20239990), (4, 10119995), (5, 8095996), (10, 4047998), (20, 2023999), (127, 318740), (254, 159370), (508, 79685), (635, 63748), (1270, 31874), (2540, 15937)]