13937920

素因数分解:

$2^8\times 5^1\times {\mathrm{10889}}^1$

素因数の和:10910

約数の個数: 36

約数和(自身を含む): 33388740

約数和(自身を除く): 19450820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10889, 21778, 43556, 54445, 87112, 108890, 174224, 217780, 348448, 435560, 696896, 871120, 1393792, 1742240, 2787584, 3484480, 6968960, 13937920]

約数ペア:

[(1, 13937920), (2, 6968960), (4, 3484480), (5, 2787584), (8, 1742240), (10, 1393792), (16, 871120), (20, 696896), (32, 435560), (40, 348448), (64, 217780), (80, 174224), (128, 108890), (160, 87112), (256, 54445), (320, 43556), (640, 21778), (1280, 10889)]