131475200

素因数分解:

$2^8\times 5^2\times {\mathrm{20543}}^1$

素因数の和:20569

約数の個数: 54

約数和(自身を含む): 325437504

約数和(自身を除く): 193962304

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, 20543, 41086, 82172, 102715, 164344, 205430, 328688, 410860, 513575, 657376, 821720, 1027150, 1314752, 1643440, 2054300, 2629504, 3286880, 4108600, 5259008, 6573760, 8217200, 13147520, 16434400, 26295040, 32868800, 65737600, 131475200]

約数ペア:

[(1, 131475200), (2, 65737600), (4, 32868800), (5, 26295040), (8, 16434400), (10, 13147520), (16, 8217200), (20, 6573760), (25, 5259008), (32, 4108600), (40, 3286880), (50, 2629504), (64, 2054300), (80, 1643440), (100, 1314752), (128, 1027150), (160, 821720), (200, 657376), (256, 513575), (320, 410860), (400, 328688), (640, 205430), (800, 164344), (1280, 102715), (1600, 82172), (3200, 41086), (6400, 20543)]