80451360040

素因数分解:

$2^3\times 5^1\times {\mathrm{2011284001}}^1$

素因数の和:2011284012

約数の個数: 16

約数和(自身を含む): 181015560180

約数和(自身を除く): 100564200140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2011284001, 4022568002, 8045136004, 10056420005, 16090272008, 20112840010, 40225680020, 80451360040]

約数ペア:

[(1, 80451360040), (2, 40225680020), (4, 20112840010), (5, 16090272008), (8, 10056420005), (10, 8045136004), (20, 4022568002), (40, 2011284001)]