5127680

素因数分解:

$2^9\times 5^1\times {\mathrm{2003}}^1$

素因数の和:2026

約数の個数: 40

約数和(自身を含む): 12300552

約数和(自身を除く): 7172872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2003, 2560, 4006, 8012, 10015, 16024, 20030, 32048, 40060, 64096, 80120, 128192, 160240, 256384, 320480, 512768, 640960, 1025536, 1281920, 2563840, 5127680]

約数ペア:

[(1, 5127680), (2, 2563840), (4, 1281920), (5, 1025536), (8, 640960), (10, 512768), (16, 320480), (20, 256384), (32, 160240), (40, 128192), (64, 80120), (80, 64096), (128, 40060), (160, 32048), (256, 20030), (320, 16024), (512, 10015), (640, 8012), (1280, 4006), (2003, 2560)]