985352080

素因数分解:

$2^4\times 5^1\times {\mathrm{12316901}}^1$

素因数の和:12316914

約数の個数: 20

約数和(自身を含む): 2290943772

約数和(自身を除く): 1305591692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12316901, 24633802, 49267604, 61584505, 98535208, 123169010, 197070416, 246338020, 492676040, 985352080]

約数ペア:

[(1, 985352080), (2, 492676040), (4, 246338020), (5, 197070416), (8, 123169010), (10, 98535208), (16, 61584505), (20, 49267604), (40, 24633802), (80, 12316901)]