12644680

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{911}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 28563840

約数和(自身を除く): 15919160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 911, 1388, 1735, 1822, 2776, 3470, 3644, 4555, 6940, 7288, 9110, 13880, 18220, 36440, 316117, 632234, 1264468, 1580585, 2528936, 3161170, 6322340, 12644680]

約数ペア:

[(1, 12644680), (2, 6322340), (4, 3161170), (5, 2528936), (8, 1580585), (10, 1264468), (20, 632234), (40, 316117), (347, 36440), (694, 18220), (911, 13880), (1388, 9110), (1735, 7288), (1822, 6940), (2776, 4555), (3470, 3644)]