16471720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5641}}^1$

素因数の和:5725

約数の個数: 32

約数和(自身を含む): 37575720

約数和(自身を除く): 21104000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5641, 11282, 22564, 28205, 45128, 56410, 112820, 225640, 411793, 823586, 1647172, 2058965, 3294344, 4117930, 8235860, 16471720]

約数ペア:

[(1, 16471720), (2, 8235860), (4, 4117930), (5, 3294344), (8, 2058965), (10, 1647172), (20, 823586), (40, 411793), (73, 225640), (146, 112820), (292, 56410), (365, 45128), (584, 28205), (730, 22564), (1460, 11282), (2920, 5641)]