2154661070

素因数分解:

$2^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{256813}}^1$

素因数の和:257659

約数の個数: 16

約数和(自身を含む): 3883027680

約数和(自身を除く): 1728366610

約数列:

[1, 2, 5, 10, 839, 1678, 4195, 8390, 256813, 513626, 1284065, 2568130, 215466107, 430932214, 1077330535, 2154661070]

約数ペア:

[(1, 2154661070), (2, 1077330535), (5, 430932214), (10, 215466107), (839, 2568130), (1678, 1284065), (4195, 513626), (8390, 256813)]