80988304

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{5077}}^1$

素因数の和:6082

約数の個数: 20

約数和(自身を含む): 157103164

約数和(自身を除く): 76114860

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 5077, 7976, 10154, 15952, 20308, 40616, 81232, 5061769, 10123538, 20247076, 40494152, 80988304]

約数ペア:

[(1, 80988304), (2, 40494152), (4, 20247076), (8, 10123538), (16, 5061769), (997, 81232), (1994, 40616), (3988, 20308), (5077, 15952), (7976, 10154)]