25653880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91621}}^1$

素因数の和:91639

約数の個数: 32

約数和(自身を含む): 65967840

約数和(自身を除く): 40313960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91621, 183242, 366484, 458105, 641347, 732968, 916210, 1282694, 1832420, 2565388, 3206735, 3664840, 5130776, 6413470, 12826940, 25653880]

約数ペア:

[(1, 25653880), (2, 12826940), (4, 6413470), (5, 5130776), (7, 3664840), (8, 3206735), (10, 2565388), (14, 1832420), (20, 1282694), (28, 916210), (35, 732968), (40, 641347), (56, 458105), (70, 366484), (140, 183242), (280, 91621)]