87776240

素因数分解:

$2^4\times 5^1\times {\mathrm{1097203}}^1$

素因数の和:1097216

約数の個数: 20

約数和(自身を含む): 204079944

約数和(自身を除く): 116303704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097203, 2194406, 4388812, 5486015, 8777624, 10972030, 17555248, 21944060, 43888120, 87776240]

約数ペア:

[(1, 87776240), (2, 43888120), (4, 21944060), (5, 17555248), (8, 10972030), (10, 8777624), (16, 5486015), (20, 4388812), (40, 2194406), (80, 1097203)]