1039288990

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1028999}}^1$

素因数の和:1029107

約数の個数: 16

約数和(自身を含む): 1889244000

約数和(自身を除く): 849955010

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 1028999, 2057998, 5144995, 10289990, 103928899, 207857798, 519644495, 1039288990]

約数ペア:

[(1, 1039288990), (2, 519644495), (5, 207857798), (10, 103928899), (101, 10289990), (202, 5144995), (505, 2057998), (1010, 1028999)]