26872240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19759}}^1$

素因数の和:19789

約数の個数: 40

約数和(自身を含む): 66156480

約数和(自身を除く): 39284240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19759, 39518, 79036, 98795, 158072, 197590, 316144, 335903, 395180, 671806, 790360, 1343612, 1580720, 1679515, 2687224, 3359030, 5374448, 6718060, 13436120, 26872240]

約数ペア:

[(1, 26872240), (2, 13436120), (4, 6718060), (5, 5374448), (8, 3359030), (10, 2687224), (16, 1679515), (17, 1580720), (20, 1343612), (34, 790360), (40, 671806), (68, 395180), (80, 335903), (85, 316144), (136, 197590), (170, 158072), (272, 98795), (340, 79036), (680, 39518), (1360, 19759)]