68810180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{33403}}^1$

素因数の和:33515

約数の個数: 24

約数和(自身を含む): 145908672

約数和(自身を除く): 77098492

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 33403, 66806, 133612, 167015, 334030, 668060, 3440509, 6881018, 13762036, 17202545, 34405090, 68810180]

約数ペア:

[(1, 68810180), (2, 34405090), (4, 17202545), (5, 13762036), (10, 6881018), (20, 3440509), (103, 668060), (206, 334030), (412, 167015), (515, 133612), (1030, 66806), (2060, 33403)]