25502000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 80

約数和(自身を含む): 63370944

約数和(自身を除く): 37868944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 311, 328, 400, 410, 500, 622, 656, 820, 1000, 1025, 1244, 1555, 1640, 2000, 2050, 2488, 3110, 3280, 4100, 4976, 5125, 6220, 7775, 8200, 10250, 12440, 12751, 15550, 16400, 20500, 24880, 25502, 31100, 38875, 41000, 51004, 62200, 63755, 77750, 82000, 102008, 124400, 127510, 155500, 204016, 255020, 311000, 318775, 510040, 622000, 637550, 1020080, 1275100, 1593875, 2550200, 3187750, 5100400, 6375500, 12751000, 25502000]

約数ペア:

[(1, 25502000), (2, 12751000), (4, 6375500), (5, 5100400), (8, 3187750), (10, 2550200), (16, 1593875), (20, 1275100), (25, 1020080), (40, 637550), (41, 622000), (50, 510040), (80, 318775), (82, 311000), (100, 255020), (125, 204016), (164, 155500), (200, 127510), (205, 124400), (250, 102008), (311, 82000), (328, 77750), (400, 63755), (410, 62200), (500, 51004), (622, 41000), (656, 38875), (820, 31100), (1000, 25502), (1025, 24880), (1244, 20500), (1555, 16400), (1640, 15550), (2000, 12751), (2050, 12440), (2488, 10250), (3110, 8200), (3280, 7775), (4100, 6220), (4976, 5125)]