8889702890

素因数分解:

$2^1\times 5^1\times {\mathrm{20549}}^1\times {\mathrm{43261}}^1$

素因数の和:63817

約数の個数: 16

約数和(自身を含む): 16002613800

約数和(自身を除く): 7112910910

約数列:

[1, 2, 5, 10, 20549, 41098, 43261, 86522, 102745, 205490, 216305, 432610, 888970289, 1777940578, 4444851445, 8889702890]

約数ペア:

[(1, 8889702890), (2, 4444851445), (5, 1777940578), (10, 888970289), (20549, 432610), (41098, 216305), (43261, 205490), (86522, 102745)]