12700850

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{653}}^1$

素因数の和:1054

約数の個数: 24

約数和(自身を含む): 23720580

約数和(自身を除く): 11019730

約数列:

[1, 2, 5, 10, 25, 50, 389, 653, 778, 1306, 1945, 3265, 3890, 6530, 9725, 16325, 19450, 32650, 254017, 508034, 1270085, 2540170, 6350425, 12700850]

約数ペア:

[(1, 12700850), (2, 6350425), (5, 2540170), (10, 1270085), (25, 508034), (50, 254017), (389, 32650), (653, 19450), (778, 16325), (1306, 9725), (1945, 6530), (3265, 3890)]