8259040

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1315

約数の個数: 48

約数和(自身を含む): 20003760

約数和(自身を除く): 11744720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1259, 1312, 1640, 2518, 3280, 5036, 6295, 6560, 10072, 12590, 20144, 25180, 40288, 50360, 51619, 100720, 103238, 201440, 206476, 258095, 412952, 516190, 825904, 1032380, 1651808, 2064760, 4129520, 8259040]

約数ペア:

[(1, 8259040), (2, 4129520), (4, 2064760), (5, 1651808), (8, 1032380), (10, 825904), (16, 516190), (20, 412952), (32, 258095), (40, 206476), (41, 201440), (80, 103238), (82, 100720), (160, 51619), (164, 50360), (205, 40288), (328, 25180), (410, 20144), (656, 12590), (820, 10072), (1259, 6560), (1312, 6295), (1640, 5036), (2518, 3280)]