2561536510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{635617}}^1$

素因数の和:635668

約数の個数: 32

約数和(自身を含む): 5125623552

約数和(自身を除く): 2564087042

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 635617, 1271234, 3178085, 6356170, 8263021, 16526042, 19704127, 39408254, 41315105, 82630210, 98520635, 197041270, 256153651, 512307302, 1280768255, 2561536510]

約数ペア:

[(1, 2561536510), (2, 1280768255), (5, 512307302), (10, 256153651), (13, 197041270), (26, 98520635), (31, 82630210), (62, 41315105), (65, 39408254), (130, 19704127), (155, 16526042), (310, 8263021), (403, 6356170), (806, 3178085), (2015, 1271234), (4030, 635617)]