80457940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{236641}}^1$

素因数の和:236667

約数の個数: 24

約数和(自身を含む): 178901352

約数和(自身を除く): 98443412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 236641, 473282, 946564, 1183205, 2366410, 4022897, 4732820, 8045794, 16091588, 20114485, 40228970, 80457940]

約数ペア:

[(1, 80457940), (2, 40228970), (4, 20114485), (5, 16091588), (10, 8045794), (17, 4732820), (20, 4022897), (34, 2366410), (68, 1183205), (85, 946564), (170, 473282), (340, 236641)]