12809620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27847}}^1$

素因数の和:27879

約数の個数: 24

約数和(自身を含む): 28070784

約数和(自身を除く): 15261164

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 27847, 55694, 111388, 139235, 278470, 556940, 640481, 1280962, 2561924, 3202405, 6404810, 12809620]

約数ペア:

[(1, 12809620), (2, 6404810), (4, 3202405), (5, 2561924), (10, 1280962), (20, 640481), (23, 556940), (46, 278470), (92, 139235), (115, 111388), (230, 55694), (460, 27847)]