16964000

素因数分解:

$2^5\times 5^3\times {\mathrm{4241}}^1$

素因数の和:4266

約数の個数: 48

約数和(自身を含む): 41690376

約数和(自身を除く): 24726376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 4241, 8482, 16964, 21205, 33928, 42410, 67856, 84820, 106025, 135712, 169640, 212050, 339280, 424100, 530125, 678560, 848200, 1060250, 1696400, 2120500, 3392800, 4241000, 8482000, 16964000]

約数ペア:

[(1, 16964000), (2, 8482000), (4, 4241000), (5, 3392800), (8, 2120500), (10, 1696400), (16, 1060250), (20, 848200), (25, 678560), (32, 530125), (40, 424100), (50, 339280), (80, 212050), (100, 169640), (125, 135712), (160, 106025), (200, 84820), (250, 67856), (400, 42410), (500, 33928), (800, 21205), (1000, 16964), (2000, 8482), (4000, 4241)]