13579400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 32326800

約数和(自身を除く): 18747400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1579, 1720, 2150, 3158, 4300, 6316, 7895, 8600, 12632, 15790, 31580, 39475, 63160, 67897, 78950, 135794, 157900, 271588, 315800, 339485, 543176, 678970, 1357940, 1697425, 2715880, 3394850, 6789700, 13579400]

約数ペア:

[(1, 13579400), (2, 6789700), (4, 3394850), (5, 2715880), (8, 1697425), (10, 1357940), (20, 678970), (25, 543176), (40, 339485), (43, 315800), (50, 271588), (86, 157900), (100, 135794), (172, 78950), (200, 67897), (215, 63160), (344, 39475), (430, 31580), (860, 15790), (1075, 12632), (1579, 8600), (1720, 7895), (2150, 6316), (3158, 4300)]