8258120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15881}}^1$

素因数の和:15905

約数の個数: 32

約数和(自身を含む): 20011320

約数和(自身を除く): 11753200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15881, 31762, 63524, 79405, 127048, 158810, 206453, 317620, 412906, 635240, 825812, 1032265, 1651624, 2064530, 4129060, 8258120]

約数ペア:

[(1, 8258120), (2, 4129060), (4, 2064530), (5, 1651624), (8, 1032265), (10, 825812), (13, 635240), (20, 412906), (26, 317620), (40, 206453), (52, 158810), (65, 127048), (104, 79405), (130, 63524), (260, 31762), (520, 15881)]