51261940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{111439}}^1$

素因数の和:111471

約数の個数: 24

約数和(自身を含む): 112331520

約数和(自身を除く): 61069580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 111439, 222878, 445756, 557195, 1114390, 2228780, 2563097, 5126194, 10252388, 12815485, 25630970, 51261940]

約数ペア:

[(1, 51261940), (2, 25630970), (4, 12815485), (5, 10252388), (10, 5126194), (20, 2563097), (23, 2228780), (46, 1114390), (92, 557195), (115, 445756), (230, 222878), (460, 111439)]