205065400

素因数分解:

$2^3\times 5^2\times {\mathrm{1025327}}^1$

素因数の和:1025343

約数の個数: 24

約数和(自身を含む): 476777520

約数和(自身を除く): 271712120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1025327, 2050654, 4101308, 5126635, 8202616, 10253270, 20506540, 25633175, 41013080, 51266350, 102532700, 205065400]

約数ペア:

[(1, 205065400), (2, 102532700), (4, 51266350), (5, 41013080), (8, 25633175), (10, 20506540), (20, 10253270), (25, 8202616), (40, 5126635), (50, 4101308), (100, 2050654), (200, 1025327)]