8889884390

素因数分解:

$2^1\times 5^1\times {\mathrm{4027}}^1\times {\mathrm{220757}}^1$

素因数の和:224791

約数の個数: 16

約数和(自身を含む): 16005838032

約数和(自身を除く): 7115953642

約数列:

[1, 2, 5, 10, 4027, 8054, 20135, 40270, 220757, 441514, 1103785, 2207570, 888988439, 1777976878, 4444942195, 8889884390]

約数ペア:

[(1, 8889884390), (2, 4444942195), (5, 1777976878), (10, 888988439), (4027, 2207570), (8054, 1103785), (20135, 441514), (40270, 220757)]