4129520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 9843120

約数和(自身を除く): 5713600

約数列:

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

約数ペア:

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