1640603960

素因数分解:

$2^3\times 5^1\times {\mathrm{41015099}}^1$

素因数の和:41015110

約数の個数: 16

約数和(自身を含む): 3691359000

約数和(自身を除く): 2050755040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41015099, 82030198, 164060396, 205075495, 328120792, 410150990, 820301980, 1640603960]

約数ペア:

[(1, 1640603960), (2, 820301980), (4, 410150990), (5, 328120792), (8, 205075495), (10, 164060396), (20, 82030198), (40, 41015099)]