25203080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90011}}^1$

素因数の和:90029

約数の個数: 32

約数和(自身を含む): 64808640

約数和(自身を除く): 39605560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90011, 180022, 360044, 450055, 630077, 720088, 900110, 1260154, 1800220, 2520308, 3150385, 3600440, 5040616, 6300770, 12601540, 25203080]

約数ペア:

[(1, 25203080), (2, 12601540), (4, 6300770), (5, 5040616), (7, 3600440), (8, 3150385), (10, 2520308), (14, 1800220), (20, 1260154), (28, 900110), (35, 720088), (40, 630077), (56, 450055), (70, 360044), (140, 180022), (280, 90011)]