67488880

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3361}}^1$

素因数の和:3625

約数の個数: 40

約数和(自身を含む): 157583664

約数和(自身を除く): 90094784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 3361, 4016, 5020, 6722, 10040, 13444, 16805, 20080, 26888, 33610, 53776, 67220, 134440, 268880, 843611, 1687222, 3374444, 4218055, 6748888, 8436110, 13497776, 16872220, 33744440, 67488880]

約数ペア:

[(1, 67488880), (2, 33744440), (4, 16872220), (5, 13497776), (8, 8436110), (10, 6748888), (16, 4218055), (20, 3374444), (40, 1687222), (80, 843611), (251, 268880), (502, 134440), (1004, 67220), (1255, 53776), (2008, 33610), (2510, 26888), (3361, 20080), (4016, 16805), (5020, 13444), (6722, 10040)]