18482560

素因数分解:

$2^7\times 5^1\times {\mathrm{28879}}^1$

素因数の和:28898

約数の個数: 32

約数和(自身を含む): 44186400

約数和(自身を除く): 25703840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28879, 57758, 115516, 144395, 231032, 288790, 462064, 577580, 924128, 1155160, 1848256, 2310320, 3696512, 4620640, 9241280, 18482560]

約数ペア:

[(1, 18482560), (2, 9241280), (4, 4620640), (5, 3696512), (8, 2310320), (10, 1848256), (16, 1155160), (20, 924128), (32, 577580), (40, 462064), (64, 288790), (80, 231032), (128, 144395), (160, 115516), (320, 57758), (640, 28879)]