12966760

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1811}}^1$

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 29354400

約数和(自身を除く): 16387640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 1811, 3580, 3622, 7160, 7244, 9055, 14488, 18110, 36220, 72440, 324169, 648338, 1296676, 1620845, 2593352, 3241690, 6483380, 12966760]

約数ペア:

[(1, 12966760), (2, 6483380), (4, 3241690), (5, 2593352), (8, 1620845), (10, 1296676), (20, 648338), (40, 324169), (179, 72440), (358, 36220), (716, 18110), (895, 14488), (1432, 9055), (1790, 7244), (1811, 7160), (3580, 3622)]