12819200

素因数分解:

$2^8\times 5^2\times {\mathrm{2003}}^1$

素因数の和:2029

約数の個数: 54

約数和(自身を含む): 31745364

約数和(自身を除く): 18926164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 2003, 3200, 4006, 6400, 8012, 10015, 16024, 20030, 32048, 40060, 50075, 64096, 80120, 100150, 128192, 160240, 200300, 256384, 320480, 400600, 512768, 640960, 801200, 1281920, 1602400, 2563840, 3204800, 6409600, 12819200]

約数ペア:

[(1, 12819200), (2, 6409600), (4, 3204800), (5, 2563840), (8, 1602400), (10, 1281920), (16, 801200), (20, 640960), (25, 512768), (32, 400600), (40, 320480), (50, 256384), (64, 200300), (80, 160240), (100, 128192), (128, 100150), (160, 80120), (200, 64096), (256, 50075), (320, 40060), (400, 32048), (640, 20030), (800, 16024), (1280, 10015), (1600, 8012), (2003, 6400), (3200, 4006)]