104725640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{60887}}^1$

素因数の和:60941

約数の個数: 32

約数和(自身を含む): 241116480

約数和(自身を除く): 136390840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 60887, 121774, 243548, 304435, 487096, 608870, 1217740, 2435480, 2618141, 5236282, 10472564, 13090705, 20945128, 26181410, 52362820, 104725640]

約数ペア:

[(1, 104725640), (2, 52362820), (4, 26181410), (5, 20945128), (8, 13090705), (10, 10472564), (20, 5236282), (40, 2618141), (43, 2435480), (86, 1217740), (172, 608870), (215, 487096), (344, 304435), (430, 243548), (860, 121774), (1720, 60887)]