4038400

素因数分解:

$2^8\times 5^2\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 54

約数和(自身を含む): 10011512

約数和(自身を除く): 5973112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 631, 640, 800, 1262, 1280, 1600, 2524, 3155, 3200, 5048, 6310, 6400, 10096, 12620, 15775, 20192, 25240, 31550, 40384, 50480, 63100, 80768, 100960, 126200, 161536, 201920, 252400, 403840, 504800, 807680, 1009600, 2019200, 4038400]

約数ペア:

[(1, 4038400), (2, 2019200), (4, 1009600), (5, 807680), (8, 504800), (10, 403840), (16, 252400), (20, 201920), (25, 161536), (32, 126200), (40, 100960), (50, 80768), (64, 63100), (80, 50480), (100, 40384), (128, 31550), (160, 25240), (200, 20192), (256, 15775), (320, 12620), (400, 10096), (631, 6400), (640, 6310), (800, 5048), (1262, 3200), (1280, 3155), (1600, 2524)]