40940800

素因数分解:

$2^8\times 5^2\times {\mathrm{6397}}^1$

素因数の和:6423

約数の個数: 54

約数和(自身を含む): 101350718

約数和(自身を除く): 60409918

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6397, 6400, 12794, 25588, 31985, 51176, 63970, 102352, 127940, 159925, 204704, 255880, 319850, 409408, 511760, 639700, 818816, 1023520, 1279400, 1637632, 2047040, 2558800, 4094080, 5117600, 8188160, 10235200, 20470400, 40940800]

約数ペア:

[(1, 40940800), (2, 20470400), (4, 10235200), (5, 8188160), (8, 5117600), (10, 4094080), (16, 2558800), (20, 2047040), (25, 1637632), (32, 1279400), (40, 1023520), (50, 818816), (64, 639700), (80, 511760), (100, 409408), (128, 319850), (160, 255880), (200, 204704), (256, 159925), (320, 127940), (400, 102352), (640, 63970), (800, 51176), (1280, 31985), (1600, 25588), (3200, 12794), (6397, 6400)]