137964800

素因数分解:

$2^8\times 5^2\times {\mathrm{21557}}^1$

素因数の和:21583

約数の個数: 54

約数和(自身を含む): 341500278

約数和(自身を除く): 203535478

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, 6400, 21557, 43114, 86228, 107785, 172456, 215570, 344912, 431140, 538925, 689824, 862280, 1077850, 1379648, 1724560, 2155700, 2759296, 3449120, 4311400, 5518592, 6898240, 8622800, 13796480, 17245600, 27592960, 34491200, 68982400, 137964800]

約数ペア:

[(1, 137964800), (2, 68982400), (4, 34491200), (5, 27592960), (8, 17245600), (10, 13796480), (16, 8622800), (20, 6898240), (25, 5518592), (32, 4311400), (40, 3449120), (50, 2759296), (64, 2155700), (80, 1724560), (100, 1379648), (128, 1077850), (160, 862280), (200, 689824), (256, 538925), (320, 431140), (400, 344912), (640, 215570), (800, 172456), (1280, 107785), (1600, 86228), (3200, 43114), (6400, 21557)]