12435340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{647}}^1$

素因数の和:718

約数の個数: 36

約数和(自身を含む): 27025488

約数和(自身を除く): 14590148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 647, 961, 1294, 1922, 2588, 3235, 3844, 4805, 6470, 9610, 12940, 19220, 20057, 40114, 80228, 100285, 200570, 401140, 621767, 1243534, 2487068, 3108835, 6217670, 12435340]

約数ペア:

[(1, 12435340), (2, 6217670), (4, 3108835), (5, 2487068), (10, 1243534), (20, 621767), (31, 401140), (62, 200570), (124, 100285), (155, 80228), (310, 40114), (620, 20057), (647, 19220), (961, 12940), (1294, 9610), (1922, 6470), (2588, 4805), (3235, 3844)]