324097720

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{12601}}^1$

素因数の和:13255

約数の個数: 32

約数和(自身を含む): 730411920

約数和(自身を除く): 406314200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 12601, 12860, 25202, 25720, 50404, 63005, 100808, 126010, 252020, 504040, 8102443, 16204886, 32409772, 40512215, 64819544, 81024430, 162048860, 324097720]

約数ペア:

[(1, 324097720), (2, 162048860), (4, 81024430), (5, 64819544), (8, 40512215), (10, 32409772), (20, 16204886), (40, 8102443), (643, 504040), (1286, 252020), (2572, 126010), (3215, 100808), (5144, 63005), (6430, 50404), (12601, 25720), (12860, 25202)]