54957940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{161641}}^1$

素因数の和:161667

約数の個数: 24

約数和(自身を含む): 122201352

約数和(自身を除く): 67243412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 161641, 323282, 646564, 808205, 1616410, 2747897, 3232820, 5495794, 10991588, 13739485, 27478970, 54957940]

約数ペア:

[(1, 54957940), (2, 27478970), (4, 13739485), (5, 10991588), (10, 5495794), (17, 3232820), (20, 2747897), (34, 1616410), (68, 808205), (85, 646564), (170, 323282), (340, 161641)]