80105620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{572183}}^1$

素因数の和:572199

約数の個数: 24

約数和(自身を含む): 192253824

約数和(自身を除く): 112148204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 572183, 1144366, 2288732, 2860915, 4005281, 5721830, 8010562, 11443660, 16021124, 20026405, 40052810, 80105620]

約数ペア:

[(1, 80105620), (2, 40052810), (4, 20026405), (5, 16021124), (7, 11443660), (10, 8010562), (14, 5721830), (20, 4005281), (28, 2860915), (35, 2288732), (70, 1144366), (140, 572183)]