65981920

素因数分解:

$2^5\times 5^1\times {\mathrm{412387}}^1$

素因数の和:412402

約数の個数: 24

約数和(自身を含む): 155882664

約数和(自身を除く): 89900744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 412387, 824774, 1649548, 2061935, 3299096, 4123870, 6598192, 8247740, 13196384, 16495480, 32990960, 65981920]

約数ペア:

[(1, 65981920), (2, 32990960), (4, 16495480), (5, 13196384), (8, 8247740), (10, 6598192), (16, 4123870), (20, 3299096), (32, 2061935), (40, 1649548), (80, 824774), (160, 412387)]