102605080

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{12157}}^1$

素因数の和:12379

約数の個数: 32

約数和(自身を含む): 231974640

約数和(自身を除く): 129369560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 12157, 24314, 48628, 60785, 97256, 121570, 243140, 486280, 2565127, 5130254, 10260508, 12825635, 20521016, 25651270, 51302540, 102605080]

約数ペア:

[(1, 102605080), (2, 51302540), (4, 25651270), (5, 20521016), (8, 12825635), (10, 10260508), (20, 5130254), (40, 2565127), (211, 486280), (422, 243140), (844, 121570), (1055, 97256), (1688, 60785), (2110, 48628), (4220, 24314), (8440, 12157)]