26641280

素因数分解:

$2^7\times 5^1\times {\mathrm{41627}}^1$

素因数の和:41646

約数の個数: 32

約数和(自身を含む): 63690840

約数和(自身を除く): 37049560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 41627, 83254, 166508, 208135, 333016, 416270, 666032, 832540, 1332064, 1665080, 2664128, 3330160, 5328256, 6660320, 13320640, 26641280]

約数ペア:

[(1, 26641280), (2, 13320640), (4, 6660320), (5, 5328256), (8, 3330160), (10, 2664128), (16, 1665080), (20, 1332064), (32, 832540), (40, 666032), (64, 416270), (80, 333016), (128, 208135), (160, 166508), (320, 83254), (640, 41627)]