136940800

素因数分解:

$2^8\times 5^2\times {\mathrm{21397}}^1$

素因数の和:21423

約数の個数: 54

約数和(自身を含む): 338965718

約数和(自身を除く): 202024918

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, 6400, 21397, 42794, 85588, 106985, 171176, 213970, 342352, 427940, 534925, 684704, 855880, 1069850, 1369408, 1711760, 2139700, 2738816, 3423520, 4279400, 5477632, 6847040, 8558800, 13694080, 17117600, 27388160, 34235200, 68470400, 136940800]

約数ペア:

[(1, 136940800), (2, 68470400), (4, 34235200), (5, 27388160), (8, 17117600), (10, 13694080), (16, 8558800), (20, 6847040), (25, 5477632), (32, 4279400), (40, 3423520), (50, 2738816), (64, 2139700), (80, 1711760), (100, 1369408), (128, 1069850), (160, 855880), (200, 684704), (256, 534925), (320, 427940), (400, 342352), (640, 213970), (800, 171176), (1280, 106985), (1600, 85588), (3200, 42794), (6400, 21397)]