28678400

素因数分解:

$2^8\times 5^2\times {\mathrm{4481}}^1$

素因数の和:4507

約数の個数: 54

約数和(自身を含む): 70999362

約数和(自身を除く): 42320962

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, 3200, 4481, 6400, 8962, 17924, 22405, 35848, 44810, 71696, 89620, 112025, 143392, 179240, 224050, 286784, 358480, 448100, 573568, 716960, 896200, 1147136, 1433920, 1792400, 2867840, 3584800, 5735680, 7169600, 14339200, 28678400]

約数ペア:

[(1, 28678400), (2, 14339200), (4, 7169600), (5, 5735680), (8, 3584800), (10, 2867840), (16, 1792400), (20, 1433920), (25, 1147136), (32, 896200), (40, 716960), (50, 573568), (64, 448100), (80, 358480), (100, 286784), (128, 224050), (160, 179240), (200, 143392), (256, 112025), (320, 89620), (400, 71696), (640, 44810), (800, 35848), (1280, 22405), (1600, 17924), (3200, 8962), (4481, 6400)]