1283200

素因数分解:

$2^7\times 5^2\times {\mathrm{401}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 3177810

約数和(自身を除く): 1894610

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 401, 640, 800, 802, 1600, 1604, 2005, 3200, 3208, 4010, 6416, 8020, 10025, 12832, 16040, 20050, 25664, 32080, 40100, 51328, 64160, 80200, 128320, 160400, 256640, 320800, 641600, 1283200]

約数ペア:

[(1, 1283200), (2, 641600), (4, 320800), (5, 256640), (8, 160400), (10, 128320), (16, 80200), (20, 64160), (25, 51328), (32, 40100), (40, 32080), (50, 25664), (64, 20050), (80, 16040), (100, 12832), (128, 10025), (160, 8020), (200, 6416), (320, 4010), (400, 3208), (401, 3200), (640, 2005), (800, 1604), (802, 1600)]