25563490

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 47355840

約数和(自身を除く): 21792350

約数列:

[1, 2, 5, 10, 53, 106, 139, 265, 278, 347, 530, 694, 695, 1390, 1735, 3470, 7367, 14734, 18391, 36782, 36835, 48233, 73670, 91955, 96466, 183910, 241165, 482330, 2556349, 5112698, 12781745, 25563490]

約数ペア:

[(1, 25563490), (2, 12781745), (5, 5112698), (10, 2556349), (53, 482330), (106, 241165), (139, 183910), (265, 96466), (278, 91955), (347, 73670), (530, 48233), (694, 36835), (695, 36782), (1390, 18391), (1735, 14734), (3470, 7367)]