26640040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{95143}}^1$

素因数の和:95161

約数の個数: 32

約数和(自身を含む): 68503680

約数和(自身を除く): 41863640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 95143, 190286, 380572, 475715, 666001, 761144, 951430, 1332002, 1902860, 2664004, 3330005, 3805720, 5328008, 6660010, 13320020, 26640040]

約数ペア:

[(1, 26640040), (2, 13320020), (4, 6660010), (5, 5328008), (7, 3805720), (8, 3330005), (10, 2664004), (14, 1902860), (20, 1332002), (28, 951430), (35, 761144), (40, 666001), (56, 475715), (70, 380572), (140, 190286), (280, 95143)]