49216720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{87887}}^1$

素因数の和:87907

約数の個数: 40

約数和(自身を含む): 130777344

約数和(自身を除く): 81560624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 87887, 175774, 351548, 439435, 615209, 703096, 878870, 1230418, 1406192, 1757740, 2460836, 3076045, 3515480, 4921672, 6152090, 7030960, 9843344, 12304180, 24608360, 49216720]

約数ペア:

[(1, 49216720), (2, 24608360), (4, 12304180), (5, 9843344), (7, 7030960), (8, 6152090), (10, 4921672), (14, 3515480), (16, 3076045), (20, 2460836), (28, 1757740), (35, 1406192), (40, 1230418), (56, 878870), (70, 703096), (80, 615209), (112, 439435), (140, 351548), (280, 175774), (560, 87887)]