64840804850

素因数分解:

$2^1\times 5^2\times {\mathrm{439}}^1\times {\mathrm{2954023}}^1$

素因数の和:2954474

約数の個数: 24

約数和(自身を含む): 120878662080

約数和(自身を除く): 56037857230

約数列:

[1, 2, 5, 10, 25, 50, 439, 878, 2195, 4390, 10975, 21950, 2954023, 5908046, 14770115, 29540230, 73850575, 147701150, 1296816097, 2593632194, 6484080485, 12968160970, 32420402425, 64840804850]

約数ペア:

[(1, 64840804850), (2, 32420402425), (5, 12968160970), (10, 6484080485), (25, 2593632194), (50, 1296816097), (439, 147701150), (878, 73850575), (2195, 29540230), (4390, 14770115), (10975, 5908046), (21950, 2954023)]