1320230140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{680531}}^1$

素因数の和:680637

約数の個数: 24

約数和(自身を含む): 2801069712

約数和(自身を除く): 1480839572

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 680531, 1361062, 2722124, 3402655, 6805310, 13610620, 66011507, 132023014, 264046028, 330057535, 660115070, 1320230140]

約数ペア:

[(1, 1320230140), (2, 660115070), (4, 330057535), (5, 264046028), (10, 132023014), (20, 66011507), (97, 13610620), (194, 6805310), (388, 3402655), (485, 2722124), (970, 1361062), (1940, 680531)]