200805040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{35353}}^1$

素因数の和:35437

約数の個数: 40

約数和(自身を含む): 473460768

約数和(自身を除く): 272655728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 35353, 70706, 141412, 176765, 282824, 353530, 565648, 707060, 1414120, 2510063, 2828240, 5020126, 10040252, 12550315, 20080504, 25100630, 40161008, 50201260, 100402520, 200805040]

約数ペア:

[(1, 200805040), (2, 100402520), (4, 50201260), (5, 40161008), (8, 25100630), (10, 20080504), (16, 12550315), (20, 10040252), (40, 5020126), (71, 2828240), (80, 2510063), (142, 1414120), (284, 707060), (355, 565648), (568, 353530), (710, 282824), (1136, 176765), (1420, 141412), (2840, 70706), (5680, 35353)]