5121920

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 12558240

約数和(自身を除く): 7436320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 151, 160, 212, 265, 302, 320, 424, 530, 604, 640, 755, 848, 1060, 1208, 1510, 1696, 2120, 2416, 3020, 3392, 4240, 4832, 6040, 6784, 8003, 8480, 9664, 12080, 16006, 16960, 19328, 24160, 32012, 33920, 40015, 48320, 64024, 80030, 96640, 128048, 160060, 256096, 320120, 512192, 640240, 1024384, 1280480, 2560960, 5121920]

約数ペア:

[(1, 5121920), (2, 2560960), (4, 1280480), (5, 1024384), (8, 640240), (10, 512192), (16, 320120), (20, 256096), (32, 160060), (40, 128048), (53, 96640), (64, 80030), (80, 64024), (106, 48320), (128, 40015), (151, 33920), (160, 32012), (212, 24160), (265, 19328), (302, 16960), (320, 16006), (424, 12080), (530, 9664), (604, 8480), (640, 8003), (755, 6784), (848, 6040), (1060, 4832), (1208, 4240), (1510, 3392), (1696, 3020), (2120, 2416)]