17003920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4943}}^1$

素因数の和:4999

約数の個数: 40

約数和(自身を含む): 40461696

約数和(自身を除く): 23457776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4943, 9886, 19772, 24715, 39544, 49430, 79088, 98860, 197720, 212549, 395440, 425098, 850196, 1062745, 1700392, 2125490, 3400784, 4250980, 8501960, 17003920]

約数ペア:

[(1, 17003920), (2, 8501960), (4, 4250980), (5, 3400784), (8, 2125490), (10, 1700392), (16, 1062745), (20, 850196), (40, 425098), (43, 395440), (80, 212549), (86, 197720), (172, 98860), (215, 79088), (344, 49430), (430, 39544), (688, 24715), (860, 19772), (1720, 9886), (3440, 4943)]