87550090

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{19763}}^1$

素因数の和:20213

約数の個数: 16

約数和(自身を含む): 157953888

約数和(自身を除く): 70403798

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 19763, 39526, 98815, 197630, 8755009, 17510018, 43775045, 87550090]

約数ペア:

[(1, 87550090), (2, 43775045), (5, 17510018), (10, 8755009), (443, 197630), (886, 98815), (2215, 39526), (4430, 19763)]