87648140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{230653}}^1$

素因数の和:230681

約数の個数: 24

約数和(自身を含む): 193749360

約数和(自身を除く): 106101220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 230653, 461306, 922612, 1153265, 2306530, 4382407, 4613060, 8764814, 17529628, 21912035, 43824070, 87648140]

約数ペア:

[(1, 87648140), (2, 43824070), (4, 21912035), (5, 17529628), (10, 8764814), (19, 4613060), (20, 4382407), (38, 2306530), (76, 1153265), (95, 922612), (190, 461306), (380, 230653)]