64697240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95143}}^1$

素因数の和:95171

約数の個数: 32

約数和(自身を含む): 154133280

約数和(自身を除く): 89436040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 95143, 190286, 380572, 475715, 761144, 951430, 1617431, 1902860, 3234862, 3805720, 6469724, 8087155, 12939448, 16174310, 32348620, 64697240]

約数ペア:

[(1, 64697240), (2, 32348620), (4, 16174310), (5, 12939448), (8, 8087155), (10, 6469724), (17, 3805720), (20, 3234862), (34, 1902860), (40, 1617431), (68, 951430), (85, 761144), (136, 475715), (170, 380572), (340, 190286), (680, 95143)]