81100010

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{18307}}^1$

素因数の和:18757

約数の個数: 16

約数和(自身を含む): 146317536

約数和(自身を除く): 65217526

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 18307, 36614, 91535, 183070, 8110001, 16220002, 40550005, 81100010]

約数ペア:

[(1, 81100010), (2, 40550005), (5, 16220002), (10, 8110001), (443, 183070), (886, 91535), (2215, 36614), (4430, 18307)]