204574400

素因数分解:

$2^6\times 5^2\times {\mathrm{127859}}^1$

素因数の和:127881

約数の個数: 42

約数和(自身を含む): 503384820

約数和(自身を除く): 298810420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 127859, 255718, 511436, 639295, 1022872, 1278590, 2045744, 2557180, 3196475, 4091488, 5114360, 6392950, 8182976, 10228720, 12785900, 20457440, 25571800, 40914880, 51143600, 102287200, 204574400]

約数ペア:

[(1, 204574400), (2, 102287200), (4, 51143600), (5, 40914880), (8, 25571800), (10, 20457440), (16, 12785900), (20, 10228720), (25, 8182976), (32, 6392950), (40, 5114360), (50, 4091488), (64, 3196475), (80, 2557180), (100, 2045744), (160, 1278590), (200, 1022872), (320, 639295), (400, 511436), (800, 255718), (1600, 127859)]