125451520

素因数分解:

$2^8\times 5^1\times {\mathrm{98009}}^1$

素因数の和:98030

約数の個数: 36

約数和(自身を含む): 300498660

約数和(自身を除く): 175047140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 98009, 196018, 392036, 490045, 784072, 980090, 1568144, 1960180, 3136288, 3920360, 6272576, 7840720, 12545152, 15681440, 25090304, 31362880, 62725760, 125451520]

約数ペア:

[(1, 125451520), (2, 62725760), (4, 31362880), (5, 25090304), (8, 15681440), (10, 12545152), (16, 7840720), (20, 6272576), (32, 3920360), (40, 3136288), (64, 1960180), (80, 1568144), (128, 980090), (160, 784072), (256, 490045), (320, 392036), (640, 196018), (1280, 98009)]