663864680

素因数分解:

$2^3\times 5^1\times {\mathrm{2707}}^1\times {\mathrm{6131}}^1$

素因数の和:8849

約数の個数: 32

約数和(自身を含む): 1494491040

約数和(自身を除く): 830626360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2707, 5414, 6131, 10828, 12262, 13535, 21656, 24524, 27070, 30655, 49048, 54140, 61310, 108280, 122620, 245240, 16596617, 33193234, 66386468, 82983085, 132772936, 165966170, 331932340, 663864680]

約数ペア:

[(1, 663864680), (2, 331932340), (4, 165966170), (5, 132772936), (8, 82983085), (10, 66386468), (20, 33193234), (40, 16596617), (2707, 245240), (5414, 122620), (6131, 108280), (10828, 61310), (12262, 54140), (13535, 49048), (21656, 30655), (24524, 27070)]