87668720

素因数分解:

$2^4\times 5^1\times {\mathrm{1095859}}^1$

素因数の和:1095872

約数の個数: 20

約数和(自身を含む): 203829960

約数和(自身を除く): 116161240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1095859, 2191718, 4383436, 5479295, 8766872, 10958590, 17533744, 21917180, 43834360, 87668720]

約数ペア:

[(1, 87668720), (2, 43834360), (4, 21917180), (5, 17533744), (8, 10958590), (10, 8766872), (16, 5479295), (20, 4383436), (40, 2191718), (80, 1095859)]