86558980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{12401}}^1$

素因数の和:12759

約数の個数: 24

約数和(自身を含む): 182309400

約数和(自身を除く): 95750420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 12401, 24802, 49604, 62005, 124010, 248020, 4327949, 8655898, 17311796, 21639745, 43279490, 86558980]

約数ペア:

[(1, 86558980), (2, 43279490), (4, 21639745), (5, 17311796), (10, 8655898), (20, 4327949), (349, 248020), (698, 124010), (1396, 62005), (1745, 49604), (3490, 24802), (6980, 12401)]