12698500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 28108080

約数和(自身を除く): 15409580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 218, 233, 250, 436, 466, 500, 545, 932, 1090, 1165, 2180, 2330, 2725, 4660, 5450, 5825, 10900, 11650, 13625, 23300, 25397, 27250, 29125, 50794, 54500, 58250, 101588, 116500, 126985, 253970, 507940, 634925, 1269850, 2539700, 3174625, 6349250, 12698500]

約数ペア:

[(1, 12698500), (2, 6349250), (4, 3174625), (5, 2539700), (10, 1269850), (20, 634925), (25, 507940), (50, 253970), (100, 126985), (109, 116500), (125, 101588), (218, 58250), (233, 54500), (250, 50794), (436, 29125), (466, 27250), (500, 25397), (545, 23300), (932, 13625), (1090, 11650), (1165, 10900), (2180, 5825), (2330, 5450), (2725, 4660)]