81308630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{625451}}^1$

素因数の和:625471

約数の個数: 16

約数和(自身を含む): 157613904

約数和(自身を除く): 76305274

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 625451, 1250902, 3127255, 6254510, 8130863, 16261726, 40654315, 81308630]

約数ペア:

[(1, 81308630), (2, 40654315), (5, 16261726), (10, 8130863), (13, 6254510), (26, 3127255), (65, 1250902), (130, 625451)]