2690090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20693}}^1$

素因数の和:20713

約数の個数: 16

約数和(自身を含む): 5214888

約数和(自身を除く): 2524798

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 20693, 41386, 103465, 206930, 269009, 538018, 1345045, 2690090]

約数ペア:

[(1, 2690090), (2, 1345045), (5, 538018), (10, 269009), (13, 206930), (26, 103465), (65, 41386), (130, 20693)]