72545080

素因数分解:

$2^3\times 5^1\times {\mathrm{1813627}}^1$

素因数の和:1813638

約数の個数: 16

約数和(自身を含む): 163226520

約数和(自身を除く): 90681440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1813627, 3627254, 7254508, 9068135, 14509016, 18136270, 36272540, 72545080]

約数ペア:

[(1, 72545080), (2, 36272540), (4, 18136270), (5, 14509016), (8, 9068135), (10, 7254508), (20, 3627254), (40, 1813627)]