2575990

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{823}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 4657248

約数和(自身を除く): 2081258

約数列:

[1, 2, 5, 10, 313, 626, 823, 1565, 1646, 3130, 4115, 8230, 257599, 515198, 1287995, 2575990]

約数ペア:

[(1, 2575990), (2, 1287995), (5, 515198), (10, 257599), (313, 8230), (626, 4115), (823, 3130), (1565, 1646)]