12784180

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3571}}^1$

素因数の和:3759

約数の個数: 24

約数和(自身を含む): 27004320

約数和(自身を除く): 14220140

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3571, 3580, 7142, 14284, 17855, 35710, 71420, 639209, 1278418, 2556836, 3196045, 6392090, 12784180]

約数ペア:

[(1, 12784180), (2, 6392090), (4, 3196045), (5, 2556836), (10, 1278418), (20, 639209), (179, 71420), (358, 35710), (716, 17855), (895, 14284), (1790, 7142), (3571, 3580)]