87801940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{258241}}^1$

素因数の和:258267

約数の個数: 24

約数和(自身を含む): 195230952

約数和(自身を除く): 107429012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 258241, 516482, 1032964, 1291205, 2582410, 4390097, 5164820, 8780194, 17560388, 21950485, 43900970, 87801940]

約数ペア:

[(1, 87801940), (2, 43900970), (4, 21950485), (5, 17560388), (10, 8780194), (17, 5164820), (20, 4390097), (34, 2582410), (68, 1291205), (85, 1032964), (170, 516482), (340, 258241)]