78485380

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{20333}}^1$

素因数の和:20535

約数の個数: 24

約数和(自身を含む): 165681432

約数和(自身を除く): 87196052

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 20333, 40666, 81332, 101665, 203330, 406660, 3924269, 7848538, 15697076, 19621345, 39242690, 78485380]

約数ペア:

[(1, 78485380), (2, 39242690), (4, 19621345), (5, 15697076), (10, 7848538), (20, 3924269), (193, 406660), (386, 203330), (772, 101665), (965, 81332), (1930, 40666), (3860, 20333)]