2018247040

素因数分解:

$2^7\times 5^1\times {\mathrm{997}}^1\times {\mathrm{3163}}^1$

素因数の和:4179

約数の個数: 64

約数和(自身を含む): 4831238160

約数和(自身を除く): 2812991120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 997, 1994, 3163, 3988, 4985, 6326, 7976, 9970, 12652, 15815, 15952, 19940, 25304, 31630, 31904, 39880, 50608, 63260, 63808, 79760, 101216, 126520, 127616, 159520, 202432, 253040, 319040, 404864, 506080, 638080, 1012160, 2024320, 3153511, 6307022, 12614044, 15767555, 25228088, 31535110, 50456176, 63070220, 100912352, 126140440, 201824704, 252280880, 403649408, 504561760, 1009123520, 2018247040]

約数ペア:

[(1, 2018247040), (2, 1009123520), (4, 504561760), (5, 403649408), (8, 252280880), (10, 201824704), (16, 126140440), (20, 100912352), (32, 63070220), (40, 50456176), (64, 31535110), (80, 25228088), (128, 15767555), (160, 12614044), (320, 6307022), (640, 3153511), (997, 2024320), (1994, 1012160), (3163, 638080), (3988, 506080), (4985, 404864), (6326, 319040), (7976, 253040), (9970, 202432), (12652, 159520), (15815, 127616), (15952, 126520), (19940, 101216), (25304, 79760), (31630, 63808), (31904, 63260), (39880, 50608)]