16288000

素因数分解:

$2^8\times 5^3\times {\mathrm{509}}^1$

素因数の和:540

約数の個数: 72

約数和(自身を含む): 40655160

約数和(自身を除く): 24367160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 509, 640, 800, 1000, 1018, 1280, 1600, 2000, 2036, 2545, 3200, 4000, 4072, 5090, 6400, 8000, 8144, 10180, 12725, 16000, 16288, 20360, 25450, 32000, 32576, 40720, 50900, 63625, 65152, 81440, 101800, 127250, 130304, 162880, 203600, 254500, 325760, 407200, 509000, 651520, 814400, 1018000, 1628800, 2036000, 3257600, 4072000, 8144000, 16288000]

約数ペア:

[(1, 16288000), (2, 8144000), (4, 4072000), (5, 3257600), (8, 2036000), (10, 1628800), (16, 1018000), (20, 814400), (25, 651520), (32, 509000), (40, 407200), (50, 325760), (64, 254500), (80, 203600), (100, 162880), (125, 130304), (128, 127250), (160, 101800), (200, 81440), (250, 65152), (256, 63625), (320, 50900), (400, 40720), (500, 32576), (509, 32000), (640, 25450), (800, 20360), (1000, 16288), (1018, 16000), (1280, 12725), (1600, 10180), (2000, 8144), (2036, 8000), (2545, 6400), (3200, 5090), (4000, 4072)]