8921020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3209}}^1$

素因数の和:3357

約数の個数: 24

約数和(自身を含む): 18874800

約数和(自身を除く): 9953780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3209, 6418, 12836, 16045, 32090, 64180, 446051, 892102, 1784204, 2230255, 4460510, 8921020]

約数ペア:

[(1, 8921020), (2, 4460510), (4, 2230255), (5, 1784204), (10, 892102), (20, 446051), (139, 64180), (278, 32090), (556, 16045), (695, 12836), (1390, 6418), (2780, 3209)]