80821416910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{621703207}}^1$

素因数の和:621703227

約数の個数: 16

約数和(自身を含む): 156669208416

約数和(自身を除く): 75847791506

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 621703207, 1243406414, 3108516035, 6217032070, 8082141691, 16164283382, 40410708455, 80821416910]

約数ペア:

[(1, 80821416910), (2, 40410708455), (5, 16164283382), (10, 8082141691), (13, 6217032070), (26, 3108516035), (65, 1243406414), (130, 621703207)]