201480040

素因数分解:

$2^3\times 5^1\times {\mathrm{5037001}}^1$

素因数の和:5037012

約数の個数: 16

約数和(自身を含む): 453330180

約数和(自身を除く): 251850140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5037001, 10074002, 20148004, 25185005, 40296008, 50370010, 100740020, 201480040]

約数ペア:

[(1, 201480040), (2, 100740020), (4, 50370010), (5, 40296008), (8, 25185005), (10, 20148004), (20, 10074002), (40, 5037001)]