27612800

素因数分解:

$2^7\times 5^2\times {\mathrm{8629}}^1$

素因数の和:8653

約数の個数: 48

約数和(自身を含む): 68220150

約数和(自身を除く): 40607350

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 8629, 17258, 34516, 43145, 69032, 86290, 138064, 172580, 215725, 276128, 345160, 431450, 552256, 690320, 862900, 1104512, 1380640, 1725800, 2761280, 3451600, 5522560, 6903200, 13806400, 27612800]

約数ペア:

[(1, 27612800), (2, 13806400), (4, 6903200), (5, 5522560), (8, 3451600), (10, 2761280), (16, 1725800), (20, 1380640), (25, 1104512), (32, 862900), (40, 690320), (50, 552256), (64, 431450), (80, 345160), (100, 276128), (128, 215725), (160, 172580), (200, 138064), (320, 86290), (400, 69032), (640, 43145), (800, 34516), (1600, 17258), (3200, 8629)]