256114400

素因数分解:

$2^5\times 5^2\times {\mathrm{320143}}^1$

素因数の和:320163

約数の個数: 36

約数和(自身を含む): 625241232

約数和(自身を除く): 369126832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 320143, 640286, 1280572, 1600715, 2561144, 3201430, 5122288, 6402860, 8003575, 10244576, 12805720, 16007150, 25611440, 32014300, 51222880, 64028600, 128057200, 256114400]

約数ペア:

[(1, 256114400), (2, 128057200), (4, 64028600), (5, 51222880), (8, 32014300), (10, 25611440), (16, 16007150), (20, 12805720), (25, 10244576), (32, 8003575), (40, 6402860), (50, 5122288), (80, 3201430), (100, 2561144), (160, 1600715), (200, 1280572), (400, 640286), (800, 320143)]