87683620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257893}}^1$

素因数の和:257919

約数の個数: 24

約数和(自身を含む): 194967864

約数和(自身を除く): 107284244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 257893, 515786, 1031572, 1289465, 2578930, 4384181, 5157860, 8768362, 17536724, 21920905, 43841810, 87683620]

約数ペア:

[(1, 87683620), (2, 43841810), (4, 21920905), (5, 17536724), (10, 8768362), (17, 5157860), (20, 4384181), (34, 2578930), (68, 1289465), (85, 1031572), (170, 515786), (340, 257893)]