25758320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{6571}}^1$

素因数の和:6598

約数の個数: 60

約数和(自身を含む): 69676344

約数和(自身を除く): 43918024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 6571, 13142, 26284, 32855, 45997, 52568, 65710, 91994, 105136, 131420, 183988, 229985, 262840, 321979, 367976, 459970, 525680, 643958, 735952, 919940, 1287916, 1609895, 1839880, 2575832, 3219790, 3679760, 5151664, 6439580, 12879160, 25758320]

約数ペア:

[(1, 25758320), (2, 12879160), (4, 6439580), (5, 5151664), (7, 3679760), (8, 3219790), (10, 2575832), (14, 1839880), (16, 1609895), (20, 1287916), (28, 919940), (35, 735952), (40, 643958), (49, 525680), (56, 459970), (70, 367976), (80, 321979), (98, 262840), (112, 229985), (140, 183988), (196, 131420), (245, 105136), (280, 91994), (392, 65710), (490, 52568), (560, 45997), (784, 32855), (980, 26284), (1960, 13142), (3920, 6571)]