80824000

素因数分解:

$2^6\times 5^3\times {\mathrm{10103}}^1$

素因数の和:10130

約数の個数: 56

約数和(自身を含む): 200180448

約数和(自身を除く): 119356448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 10103, 20206, 40412, 50515, 80824, 101030, 161648, 202060, 252575, 323296, 404120, 505150, 646592, 808240, 1010300, 1262875, 1616480, 2020600, 2525750, 3232960, 4041200, 5051500, 8082400, 10103000, 16164800, 20206000, 40412000, 80824000]

約数ペア:

[(1, 80824000), (2, 40412000), (4, 20206000), (5, 16164800), (8, 10103000), (10, 8082400), (16, 5051500), (20, 4041200), (25, 3232960), (32, 2525750), (40, 2020600), (50, 1616480), (64, 1262875), (80, 1010300), (100, 808240), (125, 646592), (160, 505150), (200, 404120), (250, 323296), (320, 252575), (400, 202060), (500, 161648), (800, 101030), (1000, 80824), (1600, 50515), (2000, 40412), (4000, 20206), (8000, 10103)]