2065138420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1\times {\mathrm{1307}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 4372905600

約数和(自身を除く): 2307767180

約数列:

[1, 2, 4, 5, 10, 20, 199, 397, 398, 794, 796, 995, 1307, 1588, 1985, 1990, 2614, 3970, 3980, 5228, 6535, 7940, 13070, 26140, 79003, 158006, 260093, 316012, 395015, 518879, 520186, 790030, 1037758, 1040372, 1300465, 1580060, 2075516, 2594395, 2600930, 5188790, 5201860, 10377580, 103256921, 206513842, 413027684, 516284605, 1032569210, 2065138420]

約数ペア:

[(1, 2065138420), (2, 1032569210), (4, 516284605), (5, 413027684), (10, 206513842), (20, 103256921), (199, 10377580), (397, 5201860), (398, 5188790), (794, 2600930), (796, 2594395), (995, 2075516), (1307, 1580060), (1588, 1300465), (1985, 1040372), (1990, 1037758), (2614, 790030), (3970, 520186), (3980, 518879), (5228, 395015), (6535, 316012), (7940, 260093), (13070, 158006), (26140, 79003)]