204900580

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{12211}}^1$

素因数の和:13059

約数の個数: 24

約数和(自身を含む): 430839360

約数和(自身を除く): 225938780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 8390, 12211, 16780, 24422, 48844, 61055, 122110, 244220, 10245029, 20490058, 40980116, 51225145, 102450290, 204900580]

約数ペア:

[(1, 204900580), (2, 102450290), (4, 51225145), (5, 40980116), (10, 20490058), (20, 10245029), (839, 244220), (1678, 122110), (3356, 61055), (4195, 48844), (8390, 24422), (12211, 16780)]