80421508

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{1327}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 143158400

約数和(自身を除く): 62736892

約数列:

[1, 2, 4, 109, 139, 218, 278, 436, 556, 1327, 2654, 5308, 15151, 30302, 60604, 144643, 184453, 289286, 368906, 578572, 737812, 20105377, 40210754, 80421508]

約数ペア:

[(1, 80421508), (2, 40210754), (4, 20105377), (109, 737812), (139, 578572), (218, 368906), (278, 289286), (436, 184453), (556, 144643), (1327, 60604), (2654, 30302), (5308, 15151)]