8840840

素因数分解:

$2^3\times 5^1\times {\mathrm{221021}}^1$

素因数の和:221032

約数の個数: 16

約数和(自身を含む): 19891980

約数和(自身を除く): 11051140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 221021, 442042, 884084, 1105105, 1768168, 2210210, 4420420, 8840840]

約数ペア:

[(1, 8840840), (2, 4420420), (4, 2210210), (5, 1768168), (8, 1105105), (10, 884084), (20, 442042), (40, 221021)]