5036800

素因数分解:

$2^8\times 5^2\times {\mathrm{787}}^1$

素因数の和:813

約数の個数: 54

約数和(自身を含む): 12482708

約数和(自身を除く): 7445908

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, 787, 800, 1280, 1574, 1600, 3148, 3200, 3935, 6296, 6400, 7870, 12592, 15740, 19675, 25184, 31480, 39350, 50368, 62960, 78700, 100736, 125920, 157400, 201472, 251840, 314800, 503680, 629600, 1007360, 1259200, 2518400, 5036800]

約数ペア:

[(1, 5036800), (2, 2518400), (4, 1259200), (5, 1007360), (8, 629600), (10, 503680), (16, 314800), (20, 251840), (25, 201472), (32, 157400), (40, 125920), (50, 100736), (64, 78700), (80, 62960), (100, 50368), (128, 39350), (160, 31480), (200, 25184), (256, 19675), (320, 15740), (400, 12592), (640, 7870), (787, 6400), (800, 6296), (1280, 3935), (1574, 3200), (1600, 3148)]