2339840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{457}}^1$

素因数の和:482

約数の個数: 44

約数和(自身を含む): 5625156

約数和(自身を除く): 3285316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 457, 512, 640, 914, 1024, 1280, 1828, 2285, 2560, 3656, 4570, 5120, 7312, 9140, 14624, 18280, 29248, 36560, 58496, 73120, 116992, 146240, 233984, 292480, 467968, 584960, 1169920, 2339840]

約数ペア:

[(1, 2339840), (2, 1169920), (4, 584960), (5, 467968), (8, 292480), (10, 233984), (16, 146240), (20, 116992), (32, 73120), (40, 58496), (64, 36560), (80, 29248), (128, 18280), (160, 14624), (256, 9140), (320, 7312), (457, 5120), (512, 4570), (640, 3656), (914, 2560), (1024, 2285), (1280, 1828)]