7807640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4153}}^1$

素因数の和:4211

約数の個数: 32

約数和(自身を含む): 17945280

約数和(自身を除く): 10137640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 4153, 8306, 16612, 20765, 33224, 41530, 83060, 166120, 195191, 390382, 780764, 975955, 1561528, 1951910, 3903820, 7807640]

約数ペア:

[(1, 7807640), (2, 3903820), (4, 1951910), (5, 1561528), (8, 975955), (10, 780764), (20, 390382), (40, 195191), (47, 166120), (94, 83060), (188, 41530), (235, 33224), (376, 20765), (470, 16612), (940, 8306), (1880, 4153)]