51689780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{25589}}^1$

素因数の和:25699

約数の個数: 24

約数和(自身を含む): 109627560

約数和(自身を除く): 57937780

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 25589, 51178, 102356, 127945, 255890, 511780, 2584489, 5168978, 10337956, 12922445, 25844890, 51689780]

約数ペア:

[(1, 51689780), (2, 25844890), (4, 12922445), (5, 10337956), (10, 5168978), (20, 2584489), (101, 511780), (202, 255890), (404, 127945), (505, 102356), (1010, 51178), (2020, 25589)]