208085166440

素因数分解:

$2^3\times 5^1\times {\mathrm{5202129161}}^1$

素因数の和:5202129172

約数の個数: 16

約数和(自身を含む): 468191624580

約数和(自身を除く): 260106458140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5202129161, 10404258322, 20808516644, 26010645805, 41617033288, 52021291610, 104042583220, 208085166440]

約数ペア:

[(1, 208085166440), (2, 104042583220), (4, 52021291610), (5, 41617033288), (8, 26010645805), (10, 20808516644), (20, 10404258322), (40, 5202129161)]