1409156720

素因数分解:

$2^4\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{9857}}^1$

素因数の和:11657

約数の個数: 40

約数和(自身を含む): 3278455344

約数和(自身を除く): 1869298624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1787, 3574, 7148, 8935, 9857, 14296, 17870, 19714, 28592, 35740, 39428, 49285, 71480, 78856, 98570, 142960, 157712, 197140, 394280, 788560, 17614459, 35228918, 70457836, 88072295, 140915672, 176144590, 281831344, 352289180, 704578360, 1409156720]

約数ペア:

[(1, 1409156720), (2, 704578360), (4, 352289180), (5, 281831344), (8, 176144590), (10, 140915672), (16, 88072295), (20, 70457836), (40, 35228918), (80, 17614459), (1787, 788560), (3574, 394280), (7148, 197140), (8935, 157712), (9857, 142960), (14296, 98570), (17870, 78856), (19714, 71480), (28592, 49285), (35740, 39428)]