156970760

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{20333}}^1$

素因数の和:20537

約数の個数: 32

約数和(自身を含む): 355031640

約数和(自身を除く): 198060880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 20333, 40666, 81332, 101665, 162664, 203330, 406660, 813320, 3924269, 7848538, 15697076, 19621345, 31394152, 39242690, 78485380, 156970760]

約数ペア:

[(1, 156970760), (2, 78485380), (4, 39242690), (5, 31394152), (8, 19621345), (10, 15697076), (20, 7848538), (40, 3924269), (193, 813320), (386, 406660), (772, 203330), (965, 162664), (1544, 101665), (1930, 81332), (3860, 40666), (7720, 20333)]