8872971560

素因数分解:

$2^3\times 5^1\times {\mathrm{221824289}}^1$

素因数の和:221824300

約数の個数: 16

約数和(自身を含む): 19964186100

約数和(自身を除く): 11091214540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 221824289, 443648578, 887297156, 1109121445, 1774594312, 2218242890, 4436485780, 8872971560]

約数ペア:

[(1, 8872971560), (2, 4436485780), (4, 2218242890), (5, 1774594312), (8, 1109121445), (10, 887297156), (20, 443648578), (40, 221824289)]