13577680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3947}}^1$

素因数の和:4003

約数の個数: 40

約数和(自身を含む): 32310432

約数和(自身を除く): 18732752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3947, 7894, 15788, 19735, 31576, 39470, 63152, 78940, 157880, 169721, 315760, 339442, 678884, 848605, 1357768, 1697210, 2715536, 3394420, 6788840, 13577680]

約数ペア:

[(1, 13577680), (2, 6788840), (4, 3394420), (5, 2715536), (8, 1697210), (10, 1357768), (16, 848605), (20, 678884), (40, 339442), (43, 315760), (80, 169721), (86, 157880), (172, 78940), (215, 63152), (344, 39470), (430, 31576), (688, 19735), (860, 15788), (1720, 7894), (3440, 3947)]