25172368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121021}}^1$

素因数の和:121042

約数の個数: 20

約数和(自身を含む): 52523548

約数和(自身を除く): 27351180

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121021, 242042, 484084, 968168, 1573273, 1936336, 3146546, 6293092, 12586184, 25172368]

約数ペア:

[(1, 25172368), (2, 12586184), (4, 6293092), (8, 3146546), (13, 1936336), (16, 1573273), (26, 968168), (52, 484084), (104, 242042), (208, 121021)]