42570140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15313}}^1$

素因数の和:15461

約数の個数: 24

約数和(自身を含む): 90046320

約数和(自身を除く): 47476180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 15313, 30626, 61252, 76565, 153130, 306260, 2128507, 4257014, 8514028, 10642535, 21285070, 42570140]

約数ペア:

[(1, 42570140), (2, 21285070), (4, 10642535), (5, 8514028), (10, 4257014), (20, 2128507), (139, 306260), (278, 153130), (556, 76565), (695, 61252), (1390, 30626), (2780, 15313)]