31266740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91961}}^1$

素因数の和:91987

約数の個数: 24

約数和(自身を含む): 69523272

約数和(自身を除く): 38256532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91961, 183922, 367844, 459805, 919610, 1563337, 1839220, 3126674, 6253348, 7816685, 15633370, 31266740]

約数ペア:

[(1, 31266740), (2, 15633370), (4, 7816685), (5, 6253348), (10, 3126674), (17, 1839220), (20, 1563337), (34, 919610), (68, 459805), (85, 367844), (170, 183922), (340, 91961)]