12906500

素因数分解:

$2^2\times 5^3\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 28619136

約数和(自身を除く): 15712636

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 125, 166, 250, 311, 332, 415, 500, 622, 830, 1244, 1555, 1660, 2075, 3110, 4150, 6220, 7775, 8300, 10375, 15550, 20750, 25813, 31100, 38875, 41500, 51626, 77750, 103252, 129065, 155500, 258130, 516260, 645325, 1290650, 2581300, 3226625, 6453250, 12906500]

約数ペア:

[(1, 12906500), (2, 6453250), (4, 3226625), (5, 2581300), (10, 1290650), (20, 645325), (25, 516260), (50, 258130), (83, 155500), (100, 129065), (125, 103252), (166, 77750), (250, 51626), (311, 41500), (332, 38875), (415, 31100), (500, 25813), (622, 20750), (830, 15550), (1244, 10375), (1555, 8300), (1660, 7775), (2075, 6220), (3110, 4150)]