201447040

素因数分解:

$2^7\times 5^1\times {\mathrm{314761}}^1$

素因数の和:314780

約数の個数: 32

約数和(自身を含む): 481585860

約数和(自身を除く): 280138820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314761, 629522, 1259044, 1573805, 2518088, 3147610, 5036176, 6295220, 10072352, 12590440, 20144704, 25180880, 40289408, 50361760, 100723520, 201447040]

約数ペア:

[(1, 201447040), (2, 100723520), (4, 50361760), (5, 40289408), (8, 25180880), (10, 20144704), (16, 12590440), (20, 10072352), (32, 6295220), (40, 5036176), (64, 3147610), (80, 2518088), (128, 1573805), (160, 1259044), (320, 629522), (640, 314761)]