26784640

素因数分解:

$2^7\times 5^1\times {\mathrm{41851}}^1$

素因数の和:41870

約数の個数: 32

約数和(自身を含む): 64033560

約数和(自身を除く): 37248920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 41851, 83702, 167404, 209255, 334808, 418510, 669616, 837020, 1339232, 1674040, 2678464, 3348080, 5356928, 6696160, 13392320, 26784640]

約数ペア:

[(1, 26784640), (2, 13392320), (4, 6696160), (5, 5356928), (8, 3348080), (10, 2678464), (16, 1674040), (20, 1339232), (32, 837020), (40, 669616), (64, 418510), (80, 334808), (128, 209255), (160, 167404), (320, 83702), (640, 41851)]