20125700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28751}}^1$

素因数の和:28772

約数の個数: 36

約数和(自身を含む): 49913472

約数和(自身を除く): 29787772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28751, 57502, 115004, 143755, 201257, 287510, 402514, 575020, 718775, 805028, 1006285, 1437550, 2012570, 2875100, 4025140, 5031425, 10062850, 20125700]

約数ペア:

[(1, 20125700), (2, 10062850), (4, 5031425), (5, 4025140), (7, 2875100), (10, 2012570), (14, 1437550), (20, 1006285), (25, 805028), (28, 718775), (35, 575020), (50, 402514), (70, 287510), (100, 201257), (140, 143755), (175, 115004), (350, 57502), (700, 28751)]