2553340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2969}}^1$

素因数の和:3021

約数の個数: 24

約数和(自身を含む): 5488560

約数和(自身を除く): 2935220

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2969, 5938, 11876, 14845, 29690, 59380, 127667, 255334, 510668, 638335, 1276670, 2553340]

約数ペア:

[(1, 2553340), (2, 1276670), (4, 638335), (5, 510668), (10, 255334), (20, 127667), (43, 59380), (86, 29690), (172, 14845), (215, 11876), (430, 5938), (860, 2969)]