805760

素因数分解:

$2^7\times 5^1\times {\mathrm{1259}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 1927800

約数和(自身を除く): 1122040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1259, 2518, 5036, 6295, 10072, 12590, 20144, 25180, 40288, 50360, 80576, 100720, 161152, 201440, 402880, 805760]

約数ペア:

[(1, 805760), (2, 402880), (4, 201440), (5, 161152), (8, 100720), (10, 80576), (16, 50360), (20, 40288), (32, 25180), (40, 20144), (64, 12590), (80, 10072), (128, 6295), (160, 5036), (320, 2518), (640, 1259)]