28324340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128747}}^1$

素因数の和:128767

約数の個数: 24

約数和(自身を含む): 64888992

約数和(自身を除く): 36564652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 128747, 257494, 514988, 643735, 1287470, 1416217, 2574940, 2832434, 5664868, 7081085, 14162170, 28324340]

約数ペア:

[(1, 28324340), (2, 14162170), (4, 7081085), (5, 5664868), (10, 2832434), (11, 2574940), (20, 1416217), (22, 1287470), (44, 643735), (55, 514988), (110, 257494), (220, 128747)]