13780225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 18297440

約数和(自身を除く): 4517215

約数列:

[1, 5, 19, 25, 67, 95, 335, 433, 475, 1273, 1675, 2165, 6365, 8227, 10825, 29011, 31825, 41135, 145055, 205675, 551209, 725275, 2756045, 13780225]

約数ペア:

[(1, 13780225), (5, 2756045), (19, 725275), (25, 551209), (67, 205675), (95, 145055), (335, 41135), (433, 31825), (475, 29011), (1273, 10825), (1675, 8227), (2165, 6365)]