51780040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99577}}^1$

素因数の和:99601

約数の個数: 32

約数和(自身を含む): 125468280

約数和(自身を除く): 73688240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 99577, 199154, 398308, 497885, 796616, 995770, 1294501, 1991540, 2589002, 3983080, 5178004, 6472505, 10356008, 12945010, 25890020, 51780040]

約数ペア:

[(1, 51780040), (2, 25890020), (4, 12945010), (5, 10356008), (8, 6472505), (10, 5178004), (13, 3983080), (20, 2589002), (26, 1991540), (40, 1294501), (52, 995770), (65, 796616), (104, 497885), (130, 398308), (260, 199154), (520, 99577)]