16947160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 22969640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 86, 118, 167, 172, 215, 236, 295, 334, 344, 430, 472, 590, 668, 835, 860, 1180, 1336, 1670, 1720, 2360, 2537, 3340, 5074, 6680, 7181, 9853, 10148, 12685, 14362, 19706, 20296, 25370, 28724, 35905, 39412, 49265, 50740, 57448, 71810, 78824, 98530, 101480, 143620, 197060, 287240, 394120, 423679, 847358, 1694716, 2118395, 3389432, 4236790, 8473580, 16947160]

約数ペア:

[(1, 16947160), (2, 8473580), (4, 4236790), (5, 3389432), (8, 2118395), (10, 1694716), (20, 847358), (40, 423679), (43, 394120), (59, 287240), (86, 197060), (118, 143620), (167, 101480), (172, 98530), (215, 78824), (236, 71810), (295, 57448), (334, 50740), (344, 49265), (430, 39412), (472, 35905), (590, 28724), (668, 25370), (835, 20296), (860, 19706), (1180, 14362), (1336, 12685), (1670, 10148), (1720, 9853), (2360, 7181), (2537, 6680), (3340, 5074)]