51121100

素因数分解:

$2^2\times 5^2\times {\mathrm{511211}}^1$

素因数の和:511225

約数の個数: 18

約数和(自身を含む): 110933004

約数和(自身を除く): 59811904

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 511211, 1022422, 2044844, 2556055, 5112110, 10224220, 12780275, 25560550, 51121100]

約数ペア:

[(1, 51121100), (2, 25560550), (4, 12780275), (5, 10224220), (10, 5112110), (20, 2556055), (25, 2044844), (50, 1022422), (100, 511211)]