11503280

素因数分解:

$2^4\times 5^1\times {\mathrm{143791}}^1$

素因数の和:143804

約数の個数: 20

約数和(自身を含む): 26745312

約数和(自身を除く): 15242032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 143791, 287582, 575164, 718955, 1150328, 1437910, 2300656, 2875820, 5751640, 11503280]

約数ペア:

[(1, 11503280), (2, 5751640), (4, 2875820), (5, 2300656), (8, 1437910), (10, 1150328), (16, 718955), (20, 575164), (40, 287582), (80, 143791)]