9880090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89819}}^1$

素因数の和:89837

約数の個数: 16

約数和(自身を含む): 19401120

約数和(自身を除く): 9521030

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 89819, 179638, 449095, 898190, 988009, 1976018, 4940045, 9880090]

約数ペア:

[(1, 9880090), (2, 4940045), (5, 1976018), (10, 988009), (11, 898190), (22, 449095), (55, 179638), (110, 89819)]