65334040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7741}}^1$

素因数の和:7963

約数の個数: 32

約数和(自身を含む): 147717360

約数和(自身を除く): 82383320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 7741, 8440, 15482, 30964, 38705, 61928, 77410, 154820, 309640, 1633351, 3266702, 6533404, 8166755, 13066808, 16333510, 32667020, 65334040]

約数ペア:

[(1, 65334040), (2, 32667020), (4, 16333510), (5, 13066808), (8, 8166755), (10, 6533404), (20, 3266702), (40, 1633351), (211, 309640), (422, 154820), (844, 77410), (1055, 61928), (1688, 38705), (2110, 30964), (4220, 15482), (7741, 8440)]