66397060

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{8117}}^1$

素因数の和:8535

約数の個数: 24

約数和(自身を含む): 139791960

約数和(自身を除く): 73394900

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8117, 8180, 16234, 32468, 40585, 81170, 162340, 3319853, 6639706, 13279412, 16599265, 33198530, 66397060]

約数ペア:

[(1, 66397060), (2, 33198530), (4, 16599265), (5, 13279412), (10, 6639706), (20, 3319853), (409, 162340), (818, 81170), (1636, 40585), (2045, 32468), (4090, 16234), (8117, 8180)]