69681280

素因数分解:

$2^7\times 5^1\times {\mathrm{108877}}^1$

素因数の和:108896

約数の個数: 32

約数和(自身を含む): 166583340

約数和(自身を除く): 96902060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 108877, 217754, 435508, 544385, 871016, 1088770, 1742032, 2177540, 3484064, 4355080, 6968128, 8710160, 13936256, 17420320, 34840640, 69681280]

約数ペア:

[(1, 69681280), (2, 34840640), (4, 17420320), (5, 13936256), (8, 8710160), (10, 6968128), (16, 4355080), (20, 3484064), (32, 2177540), (40, 1742032), (64, 1088770), (80, 871016), (128, 544385), (160, 435508), (320, 217754), (640, 108877)]