8516620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 20643840

約数和(自身を除く): 12127220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 479, 508, 635, 889, 958, 1270, 1778, 1916, 2395, 2540, 3353, 3556, 4445, 4790, 6706, 8890, 9580, 13412, 16765, 17780, 33530, 60833, 67060, 121666, 243332, 304165, 425831, 608330, 851662, 1216660, 1703324, 2129155, 4258310, 8516620]

約数ペア:

[(1, 8516620), (2, 4258310), (4, 2129155), (5, 1703324), (7, 1216660), (10, 851662), (14, 608330), (20, 425831), (28, 304165), (35, 243332), (70, 121666), (127, 67060), (140, 60833), (254, 33530), (479, 17780), (508, 16765), (635, 13412), (889, 9580), (958, 8890), (1270, 6706), (1778, 4790), (1916, 4445), (2395, 3556), (2540, 3353)]