4002205040

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{199313}}^1$

素因数の和:199577

約数の個数: 40

約数和(自身を含む): 9342245808

約数和(自身を除く): 5340040768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 20080, 199313, 398626, 797252, 996565, 1594504, 1993130, 3189008, 3986260, 7972520, 15945040, 50027563, 100055126, 200110252, 250137815, 400220504, 500275630, 800441008, 1000551260, 2001102520, 4002205040]

約数ペア:

[(1, 4002205040), (2, 2001102520), (4, 1000551260), (5, 800441008), (8, 500275630), (10, 400220504), (16, 250137815), (20, 200110252), (40, 100055126), (80, 50027563), (251, 15945040), (502, 7972520), (1004, 3986260), (1255, 3189008), (2008, 1993130), (2510, 1594504), (4016, 996565), (5020, 797252), (10040, 398626), (20080, 199313)]