25503985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 35199360

約数和(自身を除く): 9695375

約数列:

[1, 5, 13, 19, 65, 95, 107, 193, 247, 535, 965, 1235, 1391, 2033, 2509, 3667, 6955, 10165, 12545, 18335, 20651, 26429, 47671, 103255, 132145, 238355, 268463, 392369, 1342315, 1961845, 5100797, 25503985]

約数ペア:

[(1, 25503985), (5, 5100797), (13, 1961845), (19, 1342315), (65, 392369), (95, 268463), (107, 238355), (193, 132145), (247, 103255), (535, 47671), (965, 26429), (1235, 20651), (1391, 18335), (2033, 12545), (2509, 10165), (3667, 6955)]