11128720

素因数分解:

$2^4\times 5^1\times {\mathrm{139109}}^1$

素因数の和:139122

約数の個数: 20

約数和(自身を含む): 25874460

約数和(自身を除く): 14745740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139109, 278218, 556436, 695545, 1112872, 1391090, 2225744, 2782180, 5564360, 11128720]

約数ペア:

[(1, 11128720), (2, 5564360), (4, 2782180), (5, 2225744), (8, 1391090), (10, 1112872), (16, 695545), (20, 556436), (40, 278218), (80, 139109)]