67236920

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2543}}^1$

素因数の和:3215

約数の個数: 32

約数和(自身を含む): 151571520

約数和(自身を除く): 84334600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2543, 2644, 3305, 5086, 5288, 6610, 10172, 12715, 13220, 20344, 25430, 26440, 50860, 101720, 1680923, 3361846, 6723692, 8404615, 13447384, 16809230, 33618460, 67236920]

約数ペア:

[(1, 67236920), (2, 33618460), (4, 16809230), (5, 13447384), (8, 8404615), (10, 6723692), (20, 3361846), (40, 1680923), (661, 101720), (1322, 50860), (2543, 26440), (2644, 25430), (3305, 20344), (5086, 13220), (5288, 12715), (6610, 10172)]