131536000

素因数分解:

$2^7\times 5^3\times {\mathrm{8221}}^1$

素因数の和:8250

約数の個数: 64

約数和(自身を含む): 327071160

約数和(自身を除く): 195535160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 8000, 8221, 16000, 16442, 32884, 41105, 65768, 82210, 131536, 164420, 205525, 263072, 328840, 411050, 526144, 657680, 822100, 1027625, 1052288, 1315360, 1644200, 2055250, 2630720, 3288400, 4110500, 5261440, 6576800, 8221000, 13153600, 16442000, 26307200, 32884000, 65768000, 131536000]

約数ペア:

[(1, 131536000), (2, 65768000), (4, 32884000), (5, 26307200), (8, 16442000), (10, 13153600), (16, 8221000), (20, 6576800), (25, 5261440), (32, 4110500), (40, 3288400), (50, 2630720), (64, 2055250), (80, 1644200), (100, 1315360), (125, 1052288), (128, 1027625), (160, 822100), (200, 657680), (250, 526144), (320, 411050), (400, 328840), (500, 263072), (640, 205525), (800, 164420), (1000, 131536), (1600, 82210), (2000, 65768), (3200, 41105), (4000, 32884), (8000, 16442), (8221, 16000)]