2019200

素因数分解:

$2^7\times 5^2\times {\mathrm{631}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 4995960

約数和(自身を除く): 2976760

約数列:

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

約数ペア:

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