13420840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17659}}^1$

素因数の和:17689

約数の個数: 32

約数和(自身を含む): 31788000

約数和(自身を除く): 18367160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17659, 35318, 70636, 88295, 141272, 176590, 335521, 353180, 671042, 706360, 1342084, 1677605, 2684168, 3355210, 6710420, 13420840]

約数ペア:

[(1, 13420840), (2, 6710420), (4, 3355210), (5, 2684168), (8, 1677605), (10, 1342084), (19, 706360), (20, 671042), (38, 353180), (40, 335521), (76, 176590), (95, 141272), (152, 88295), (190, 70636), (380, 35318), (760, 17659)]