64412120

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1879}}^1$

素因数の和:2747

約数の個数: 32

約数和(自身を含む): 145173600

約数和(自身を除く): 80761480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 1879, 3428, 3758, 4285, 6856, 7516, 8570, 9395, 15032, 17140, 18790, 34280, 37580, 75160, 1610303, 3220606, 6441212, 8051515, 12882424, 16103030, 32206060, 64412120]

約数ペア:

[(1, 64412120), (2, 32206060), (4, 16103030), (5, 12882424), (8, 8051515), (10, 6441212), (20, 3220606), (40, 1610303), (857, 75160), (1714, 37580), (1879, 34280), (3428, 18790), (3758, 17140), (4285, 15032), (6856, 9395), (7516, 8570)]