26720464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 55208520

約数和(自身を除く): 28488056

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 193, 272, 386, 509, 772, 1018, 1544, 2036, 3088, 3281, 4072, 6562, 8144, 8653, 13124, 17306, 26248, 34612, 52496, 69224, 98237, 138448, 196474, 392948, 785896, 1571792, 1670029, 3340058, 6680116, 13360232, 26720464]

約数ペア:

[(1, 26720464), (2, 13360232), (4, 6680116), (8, 3340058), (16, 1670029), (17, 1571792), (34, 785896), (68, 392948), (136, 196474), (193, 138448), (272, 98237), (386, 69224), (509, 52496), (772, 34612), (1018, 26248), (1544, 17306), (2036, 13124), (3088, 8653), (3281, 8144), (4072, 6562)]