511001420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{252971}}^1$

素因数の和:253081

約数の個数: 24

約数和(自身を含む): 1083732048

約数和(自身を除く): 572730628

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 252971, 505942, 1011884, 1264855, 2529710, 5059420, 25550071, 51100142, 102200284, 127750355, 255500710, 511001420]

約数ペア:

[(1, 511001420), (2, 255500710), (4, 127750355), (5, 102200284), (10, 51100142), (20, 25550071), (101, 5059420), (202, 2529710), (404, 1264855), (505, 1011884), (1010, 505942), (2020, 252971)]