1640249525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{4591}}^1$

素因数の和:5093

約数の個数: 24

約数和(自身を含む): 2104531968

約数和(自身を除く): 464282443

約数列:

[1, 5, 25, 31, 155, 461, 775, 2305, 4591, 11525, 14291, 22955, 71455, 114775, 142321, 357275, 711605, 2116451, 3558025, 10582255, 52911275, 65609981, 328049905, 1640249525]

約数ペア:

[(1, 1640249525), (5, 328049905), (25, 65609981), (31, 52911275), (155, 10582255), (461, 3558025), (775, 2116451), (2305, 711605), (4591, 357275), (11525, 142321), (14291, 114775), (22955, 71455)]