65984000

素因数分解:

$2^9\times 5^3\times {\mathrm{1031}}^1$

素因数の和:1064

約数の個数: 80

約数和(自身を含む): 164694816

約数和(自身を除く): 98710816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1031, 1280, 1600, 2000, 2062, 2560, 3200, 4000, 4124, 5155, 6400, 8000, 8248, 10310, 12800, 16000, 16496, 20620, 25775, 32000, 32992, 41240, 51550, 64000, 65984, 82480, 103100, 128875, 131968, 164960, 206200, 257750, 263936, 329920, 412400, 515500, 527872, 659840, 824800, 1031000, 1319680, 1649600, 2062000, 2639360, 3299200, 4124000, 6598400, 8248000, 13196800, 16496000, 32992000, 65984000]

約数ペア:

[(1, 65984000), (2, 32992000), (4, 16496000), (5, 13196800), (8, 8248000), (10, 6598400), (16, 4124000), (20, 3299200), (25, 2639360), (32, 2062000), (40, 1649600), (50, 1319680), (64, 1031000), (80, 824800), (100, 659840), (125, 527872), (128, 515500), (160, 412400), (200, 329920), (250, 263936), (256, 257750), (320, 206200), (400, 164960), (500, 131968), (512, 128875), (640, 103100), (800, 82480), (1000, 65984), (1031, 64000), (1280, 51550), (1600, 41240), (2000, 32992), (2062, 32000), (2560, 25775), (3200, 20620), (4000, 16496), (4124, 16000), (5155, 12800), (6400, 10310), (8000, 8248)]