5115920

素因数分解:

$2^4\times 5^1\times {\mathrm{63949}}^1$

素因数の和:63962

約数の個数: 20

約数和(自身を含む): 11894700

約数和(自身を除く): 6778780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 63949, 127898, 255796, 319745, 511592, 639490, 1023184, 1278980, 2557960, 5115920]

約数ペア:

[(1, 5115920), (2, 2557960), (4, 1278980), (5, 1023184), (8, 639490), (10, 511592), (16, 319745), (20, 255796), (40, 127898), (80, 63949)]