61081.000000

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 749952

約数和(自身を除く): 413012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 991, 1982, 3964, 4955, 9910, 16847, 19820, 33694, 67388, 84235, 168470, 336940]

約数ペア:

[(1, 336940), (2, 168470), (4, 84235), (5, 67388), (10, 33694), (17, 19820), (20, 16847), (34, 9910), (68, 4955), (85, 3964), (170, 1982), (340, 991)]