6440840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23003}}^1$

素因数の和:23021

約数の個数: 32

約数和(自身を含む): 16562880

約数和(自身を除く): 10122040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 23003, 46006, 92012, 115015, 161021, 184024, 230030, 322042, 460060, 644084, 805105, 920120, 1288168, 1610210, 3220420, 6440840]

約数ペア:

[(1, 6440840), (2, 3220420), (4, 1610210), (5, 1288168), (7, 920120), (8, 805105), (10, 644084), (14, 460060), (20, 322042), (28, 230030), (35, 184024), (40, 161021), (56, 115015), (70, 92012), (140, 46006), (280, 23003)]