2585980

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 5463360

約数和(自身を除く): 2877380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 541, 956, 1082, 1195, 2164, 2390, 2705, 4780, 5410, 10820, 129299, 258598, 517196, 646495, 1292990, 2585980]

約数ペア:

[(1, 2585980), (2, 1292990), (4, 646495), (5, 517196), (10, 258598), (20, 129299), (239, 10820), (478, 5410), (541, 4780), (956, 2705), (1082, 2390), (1195, 2164)]