25226780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{571}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 54222168

約数和(自身を除く): 28995388

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 571, 940, 1142, 2209, 2284, 2855, 4418, 5710, 8836, 11045, 11420, 22090, 26837, 44180, 53674, 107348, 134185, 268370, 536740, 1261339, 2522678, 5045356, 6306695, 12613390, 25226780]

約数ペア:

[(1, 25226780), (2, 12613390), (4, 6306695), (5, 5045356), (10, 2522678), (20, 1261339), (47, 536740), (94, 268370), (188, 134185), (235, 107348), (470, 53674), (571, 44180), (940, 26837), (1142, 22090), (2209, 11420), (2284, 11045), (2855, 8836), (4418, 5710)]