200805560

素因数分解:

$2^3\times 5^1\times {\mathrm{5020139}}^1$

素因数の和:5020150

約数の個数: 16

約数和(自身を含む): 451812600

約数和(自身を除く): 251007040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5020139, 10040278, 20080556, 25100695, 40161112, 50201390, 100402780, 200805560]

約数ペア:

[(1, 200805560), (2, 100402780), (4, 50201390), (5, 40161112), (8, 25100695), (10, 20080556), (20, 10040278), (40, 5020139)]