85842070

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{21407}}^1$

素因数の和:21815

約数の個数: 16

約数和(自身を含む): 154908288

約数和(自身を除く): 69066218

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 21407, 42814, 107035, 214070, 8584207, 17168414, 42921035, 85842070]

約数ペア:

[(1, 85842070), (2, 42921035), (5, 17168414), (10, 8584207), (401, 214070), (802, 107035), (2005, 42814), (4010, 21407)]