12188840

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{661}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 27525960

約数和(自身を除く): 15337120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 661, 922, 1322, 1844, 2305, 2644, 3305, 3688, 4610, 5288, 6610, 9220, 13220, 18440, 26440, 304721, 609442, 1218884, 1523605, 2437768, 3047210, 6094420, 12188840]

約数ペア:

[(1, 12188840), (2, 6094420), (4, 3047210), (5, 2437768), (8, 1523605), (10, 1218884), (20, 609442), (40, 304721), (461, 26440), (661, 18440), (922, 13220), (1322, 9220), (1844, 6610), (2305, 5288), (2644, 4610), (3305, 3688)]