25201960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90007}}^1$

素因数の和:90025

約数の個数: 32

約数和(自身を含む): 64805760

約数和(自身を除く): 39603800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90007, 180014, 360028, 450035, 630049, 720056, 900070, 1260098, 1800140, 2520196, 3150245, 3600280, 5040392, 6300490, 12600980, 25201960]

約数ペア:

[(1, 25201960), (2, 12600980), (4, 6300490), (5, 5040392), (7, 3600280), (8, 3150245), (10, 2520196), (14, 1800140), (20, 1260098), (28, 900070), (35, 720056), (40, 630049), (56, 450035), (70, 360028), (140, 180014), (280, 90007)]