80365360

素因数分解:

$2^4\times 5^1\times {\mathrm{1004567}}^1$

素因数の和:1004580

約数の個数: 20

約数和(自身を含む): 186849648

約数和(自身を除く): 106484288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1004567, 2009134, 4018268, 5022835, 8036536, 10045670, 16073072, 20091340, 40182680, 80365360]

約数ペア:

[(1, 80365360), (2, 40182680), (4, 20091340), (5, 16073072), (8, 10045670), (10, 8036536), (16, 5022835), (20, 4018268), (40, 2009134), (80, 1004567)]