2639360

素因数分解:

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

素因数の和:1054

約数の個数: 40

約数和(自身を含む): 6334416

約数和(自身を除く): 3695056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1031, 1280, 2062, 2560, 4124, 5155, 8248, 10310, 16496, 20620, 32992, 41240, 65984, 82480, 131968, 164960, 263936, 329920, 527872, 659840, 1319680, 2639360]

約数ペア:

[(1, 2639360), (2, 1319680), (4, 659840), (5, 527872), (8, 329920), (10, 263936), (16, 164960), (20, 131968), (32, 82480), (40, 65984), (64, 41240), (80, 32992), (128, 20620), (160, 16496), (256, 10310), (320, 8248), (512, 5155), (640, 4124), (1031, 2560), (1280, 2062)]