2517220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2927}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 5410944

約数和(自身を除く): 2893724

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2927, 5854, 11708, 14635, 29270, 58540, 125861, 251722, 503444, 629305, 1258610, 2517220]

約数ペア:

[(1, 2517220), (2, 1258610), (4, 629305), (5, 503444), (10, 251722), (20, 125861), (43, 58540), (86, 29270), (172, 14635), (215, 11708), (430, 5854), (860, 2927)]