77766440

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6133}}^1$

素因数の和:6461

約数の個数: 32

約数和(自身を含む): 175555080

約数和(自身を除く): 97788640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6133, 6340, 12266, 12680, 24532, 30665, 49064, 61330, 122660, 245320, 1944161, 3888322, 7776644, 9720805, 15553288, 19441610, 38883220, 77766440]

約数ペア:

[(1, 77766440), (2, 38883220), (4, 19441610), (5, 15553288), (8, 9720805), (10, 7776644), (20, 3888322), (40, 1944161), (317, 245320), (634, 122660), (1268, 61330), (1585, 49064), (2536, 30665), (3170, 24532), (6133, 12680), (6340, 12266)]