28044340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12409}}^1$

素因数の和:12531

約数の個数: 24

約数和(自身を含む): 59419080

約数和(自身を除く): 31374740

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 12409, 24818, 49636, 62045, 124090, 248180, 1402217, 2804434, 5608868, 7011085, 14022170, 28044340]

約数ペア:

[(1, 28044340), (2, 14022170), (4, 7011085), (5, 5608868), (10, 2804434), (20, 1402217), (113, 248180), (226, 124090), (452, 62045), (565, 49636), (1130, 24818), (2260, 12409)]