16859338520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9801941}}^1$

素因数の和:9801995

約数の個数: 32

約数和(自身を含む): 38815690320

約数和(自身を除く): 21956351800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9801941, 19603882, 39207764, 49009705, 78415528, 98019410, 196038820, 392077640, 421483463, 842966926, 1685933852, 2107417315, 3371867704, 4214834630, 8429669260, 16859338520]

約数ペア:

[(1, 16859338520), (2, 8429669260), (4, 4214834630), (5, 3371867704), (8, 2107417315), (10, 1685933852), (20, 842966926), (40, 421483463), (43, 392077640), (86, 196038820), (172, 98019410), (215, 78415528), (344, 49009705), (430, 39207764), (860, 19603882), (1720, 9801941)]