80690090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{620693}}^1$

素因数の和:620713

約数の個数: 16

約数和(自身を含む): 156414888

約数和(自身を除く): 75724798

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 620693, 1241386, 3103465, 6206930, 8069009, 16138018, 40345045, 80690090]

約数ペア:

[(1, 80690090), (2, 40345045), (5, 16138018), (10, 8069009), (13, 6206930), (26, 3103465), (65, 1241386), (130, 620693)]