13256000

素因数分解:

$2^6\times 5^3\times {\mathrm{1657}}^1$

素因数の和:1684

約数の個数: 56

約数和(自身を含む): 32848296

約数和(自身を除く): 19592296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 1657, 2000, 3314, 4000, 6628, 8000, 8285, 13256, 16570, 26512, 33140, 41425, 53024, 66280, 82850, 106048, 132560, 165700, 207125, 265120, 331400, 414250, 530240, 662800, 828500, 1325600, 1657000, 2651200, 3314000, 6628000, 13256000]

約数ペア:

[(1, 13256000), (2, 6628000), (4, 3314000), (5, 2651200), (8, 1657000), (10, 1325600), (16, 828500), (20, 662800), (25, 530240), (32, 414250), (40, 331400), (50, 265120), (64, 207125), (80, 165700), (100, 132560), (125, 106048), (160, 82850), (200, 66280), (250, 53024), (320, 41425), (400, 33140), (500, 26512), (800, 16570), (1000, 13256), (1600, 8285), (1657, 8000), (2000, 6628), (3314, 4000)]