25313960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90407}}^1$

素因数の和:90425

約数の個数: 32

約数和(自身を含む): 65093760

約数和(自身を除く): 39779800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90407, 180814, 361628, 452035, 632849, 723256, 904070, 1265698, 1808140, 2531396, 3164245, 3616280, 5062792, 6328490, 12656980, 25313960]

約数ペア:

[(1, 25313960), (2, 12656980), (4, 6328490), (5, 5062792), (7, 3616280), (8, 3164245), (10, 2531396), (14, 1808140), (20, 1265698), (28, 904070), (35, 723256), (40, 632849), (56, 452035), (70, 361628), (140, 180814), (280, 90407)]