90854270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16253}}^1$

素因数の和:16316

約数の個数: 32

約数和(自身を含む): 180224352

約数和(自身を除く): 89370082

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 16253, 32506, 81265, 162530, 211289, 422578, 698879, 1056445, 1397758, 2112890, 3494395, 6988790, 9085427, 18170854, 45427135, 90854270]

約数ペア:

[(1, 90854270), (2, 45427135), (5, 18170854), (10, 9085427), (13, 6988790), (26, 3494395), (43, 2112890), (65, 1397758), (86, 1056445), (130, 698879), (215, 422578), (430, 211289), (559, 162530), (1118, 81265), (2795, 32506), (5590, 16253)]