87782140

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{8623}}^1$

素因数の和:9141

約数の個数: 24

約数和(自身を含む): 184726080

約数和(自身を除く): 96943940

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 8623, 10180, 17246, 34492, 43115, 86230, 172460, 4389107, 8778214, 17556428, 21945535, 43891070, 87782140]

約数ペア:

[(1, 87782140), (2, 43891070), (4, 21945535), (5, 17556428), (10, 8778214), (20, 4389107), (509, 172460), (1018, 86230), (2036, 43115), (2545, 34492), (5090, 17246), (8623, 10180)]