80493520

素因数分解:

$2^4\times 5^1\times {\mathrm{1006169}}^1$

素因数の和:1006182

約数の個数: 20

約数和(自身を含む): 187147620

約数和(自身を除く): 106654100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1006169, 2012338, 4024676, 5030845, 8049352, 10061690, 16098704, 20123380, 40246760, 80493520]

約数ペア:

[(1, 80493520), (2, 40246760), (4, 20123380), (5, 16098704), (8, 10061690), (10, 8049352), (16, 5030845), (20, 4024676), (40, 2012338), (80, 1006169)]