40171520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{3923}}^1$

素因数の和:3950

約数の個数: 48

約数和(自身を含む): 96412680

約数和(自身を除く): 56241160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 3923, 5120, 7846, 10240, 15692, 19615, 31384, 39230, 62768, 78460, 125536, 156920, 251072, 313840, 502144, 627680, 1004288, 1255360, 2008576, 2510720, 4017152, 5021440, 8034304, 10042880, 20085760, 40171520]

約数ペア:

[(1, 40171520), (2, 20085760), (4, 10042880), (5, 8034304), (8, 5021440), (10, 4017152), (16, 2510720), (20, 2008576), (32, 1255360), (40, 1004288), (64, 627680), (80, 502144), (128, 313840), (160, 251072), (256, 156920), (320, 125536), (512, 78460), (640, 62768), (1024, 39230), (1280, 31384), (2048, 19615), (2560, 15692), (3923, 10240), (5120, 7846)]