8376440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1063}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 18960480

約数和(自身を除く): 10584040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1063, 1576, 1970, 2126, 3940, 4252, 5315, 7880, 8504, 10630, 21260, 42520, 209411, 418822, 837644, 1047055, 1675288, 2094110, 4188220, 8376440]

約数ペア:

[(1, 8376440), (2, 4188220), (4, 2094110), (5, 1675288), (8, 1047055), (10, 837644), (20, 418822), (40, 209411), (197, 42520), (394, 21260), (788, 10630), (985, 8504), (1063, 7880), (1576, 5315), (1970, 4252), (2126, 3940)]