39123440

素因数分解:

$2^4\times 5^1\times {\mathrm{489043}}^1$

素因数の和:489056

約数の個数: 20

約数和(自身を含む): 90962184

約数和(自身を除く): 51838744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489043, 978086, 1956172, 2445215, 3912344, 4890430, 7824688, 9780860, 19561720, 39123440]

約数ペア:

[(1, 39123440), (2, 19561720), (4, 9780860), (5, 7824688), (8, 4890430), (10, 3912344), (16, 2445215), (20, 1956172), (40, 978086), (80, 489043)]