27881080

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2777}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 63005040

約数和(自身を除く): 35123960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 2777, 5020, 5554, 10040, 11108, 13885, 22216, 27770, 55540, 111080, 697027, 1394054, 2788108, 3485135, 5576216, 6970270, 13940540, 27881080]

約数ペア:

[(1, 27881080), (2, 13940540), (4, 6970270), (5, 5576216), (8, 3485135), (10, 2788108), (20, 1394054), (40, 697027), (251, 111080), (502, 55540), (1004, 27770), (1255, 22216), (2008, 13885), (2510, 11108), (2777, 10040), (5020, 5554)]