12856450

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1062

約数の個数: 24

約数和(自身を含む): 24010740

約数和(自身を除く): 11154290

約数列:

[1, 2, 5, 10, 25, 50, 389, 661, 778, 1322, 1945, 3305, 3890, 6610, 9725, 16525, 19450, 33050, 257129, 514258, 1285645, 2571290, 6428225, 12856450]

約数ペア:

[(1, 12856450), (2, 6428225), (5, 2571290), (10, 1285645), (25, 514258), (50, 257129), (389, 33050), (661, 19450), (778, 16525), (1322, 9725), (1945, 6610), (3305, 3890)]