25387895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 35206080

約数和(自身を除く): 9818185

約数列:

[1, 5, 13, 19, 61, 65, 95, 247, 305, 337, 793, 1159, 1235, 1685, 3965, 4381, 5795, 6403, 15067, 20557, 21905, 32015, 75335, 83239, 102785, 267241, 390583, 416195, 1336205, 1952915, 5077579, 25387895]

約数ペア:

[(1, 25387895), (5, 5077579), (13, 1952915), (19, 1336205), (61, 416195), (65, 390583), (95, 267241), (247, 102785), (305, 83239), (337, 75335), (793, 32015), (1159, 21905), (1235, 20557), (1685, 15067), (3965, 6403), (4381, 5795)]