89040620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{32029}}^1$

素因数の和:32177

約数の個数: 24

約数和(自身を含む): 188336400

約数和(自身を除く): 99295780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 32029, 64058, 128116, 160145, 320290, 640580, 4452031, 8904062, 17808124, 22260155, 44520310, 89040620]

約数ペア:

[(1, 89040620), (2, 44520310), (4, 22260155), (5, 17808124), (10, 8904062), (20, 4452031), (139, 640580), (278, 320290), (556, 160145), (695, 128116), (1390, 64058), (2780, 32029)]