316520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 733320

約数和(自身を除く): 416800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 193, 205, 328, 386, 410, 772, 820, 965, 1544, 1640, 1930, 3860, 7720, 7913, 15826, 31652, 39565, 63304, 79130, 158260, 316520]

約数ペア:

[(1, 316520), (2, 158260), (4, 79130), (5, 63304), (8, 39565), (10, 31652), (20, 15826), (40, 7913), (41, 7720), (82, 3860), (164, 1930), (193, 1640), (205, 1544), (328, 965), (386, 820), (410, 772)]