12751000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 30663360

約数和(自身を除く): 17912360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 311, 328, 410, 500, 622, 820, 1000, 1025, 1244, 1555, 1640, 2050, 2488, 3110, 4100, 5125, 6220, 7775, 8200, 10250, 12440, 12751, 15550, 20500, 25502, 31100, 38875, 41000, 51004, 62200, 63755, 77750, 102008, 127510, 155500, 255020, 311000, 318775, 510040, 637550, 1275100, 1593875, 2550200, 3187750, 6375500, 12751000]

約数ペア:

[(1, 12751000), (2, 6375500), (4, 3187750), (5, 2550200), (8, 1593875), (10, 1275100), (20, 637550), (25, 510040), (40, 318775), (41, 311000), (50, 255020), (82, 155500), (100, 127510), (125, 102008), (164, 77750), (200, 63755), (205, 62200), (250, 51004), (311, 41000), (328, 38875), (410, 31100), (500, 25502), (622, 20500), (820, 15550), (1000, 12751), (1025, 12440), (1244, 10250), (1555, 8200), (1640, 7775), (2050, 6220), (2488, 5125), (3110, 4100)]