89760970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53113}}^1$

素因数の和:53146

約数の個数: 24

約数和(自身を含む): 174957516

約数和(自身を除く): 85196546

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 53113, 106226, 265565, 531130, 690469, 1380938, 3452345, 6904690, 8976097, 17952194, 44880485, 89760970]

約数ペア:

[(1, 89760970), (2, 44880485), (5, 17952194), (10, 8976097), (13, 6904690), (26, 3452345), (65, 1380938), (130, 690469), (169, 531130), (338, 265565), (845, 106226), (1690, 53113)]