80187280

素因数分解:

$2^4\times 5^1\times {\mathrm{1002341}}^1$

素因数の和:1002354

約数の個数: 20

約数和(自身を含む): 186435612

約数和(自身を除く): 106248332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1002341, 2004682, 4009364, 5011705, 8018728, 10023410, 16037456, 20046820, 40093640, 80187280]

約数ペア:

[(1, 80187280), (2, 40093640), (4, 20046820), (5, 16037456), (8, 10023410), (10, 8018728), (16, 5011705), (20, 4009364), (40, 2004682), (80, 1002341)]