136802560

素因数分解:

$2^8\times 5^1\times {\mathrm{106877}}^1$

素因数の和:106898

約数の個数: 36

約数和(自身を含む): 327687948

約数和(自身を除く): 190885388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 106877, 213754, 427508, 534385, 855016, 1068770, 1710032, 2137540, 3420064, 4275080, 6840128, 8550160, 13680256, 17100320, 27360512, 34200640, 68401280, 136802560]

約数ペア:

[(1, 136802560), (2, 68401280), (4, 34200640), (5, 27360512), (8, 17100320), (10, 13680256), (16, 8550160), (20, 6840128), (32, 4275080), (40, 3420064), (64, 2137540), (80, 1710032), (128, 1068770), (160, 855016), (256, 534385), (320, 427508), (640, 213754), (1280, 106877)]