25789940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10657}}^1$

素因数の和:10688

約数の個数: 36

約数和(自身を含む): 59535588

約数和(自身を除く): 33745648

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 10657, 21314, 42628, 53285, 106570, 117227, 213140, 234454, 468908, 586135, 1172270, 1289497, 2344540, 2578994, 5157988, 6447485, 12894970, 25789940]

約数ペア:

[(1, 25789940), (2, 12894970), (4, 6447485), (5, 5157988), (10, 2578994), (11, 2344540), (20, 1289497), (22, 1172270), (44, 586135), (55, 468908), (110, 234454), (121, 213140), (220, 117227), (242, 106570), (484, 53285), (605, 42628), (1210, 21314), (2420, 10657)]