12419375

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:692

約数の個数: 20

約数和(自身を含む): 16044864

約数和(自身を除く): 3625489

約数列:

[1, 5, 25, 31, 125, 155, 625, 641, 775, 3205, 3875, 16025, 19375, 19871, 80125, 99355, 400625, 496775, 2483875, 12419375]

約数ペア:

[(1, 12419375), (5, 2483875), (25, 496775), (31, 400625), (125, 99355), (155, 80125), (625, 19871), (641, 19375), (775, 16025), (3205, 3875)]