68691880

素因数分解:

$2^3\times 5^1\times {\mathrm{1717297}}^1$

素因数の和:1717308

約数の個数: 16

約数和(自身を含む): 154556820

約数和(自身を除く): 85864940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1717297, 3434594, 6869188, 8586485, 13738376, 17172970, 34345940, 68691880]

約数ペア:

[(1, 68691880), (2, 34345940), (4, 17172970), (5, 13738376), (8, 8586485), (10, 6869188), (20, 3434594), (40, 1717297)]