12961192060

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{980423}}^1$

素因数の和:981093

約数の個数: 24

約数和(自身を含む): 27259708896

約数和(自身を除く): 14298516836

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 980423, 1960846, 3921692, 4902115, 9804230, 19608460, 648059603, 1296119206, 2592238412, 3240298015, 6480596030, 12961192060]

約数ペア:

[(1, 12961192060), (2, 6480596030), (4, 3240298015), (5, 2592238412), (10, 1296119206), (20, 648059603), (661, 19608460), (1322, 9804230), (2644, 4902115), (3305, 3921692), (6610, 1960846), (13220, 980423)]