80037280

素因数分解:

$2^5\times 5^1\times {\mathrm{500233}}^1$

素因数の和:500248

約数の個数: 24

約数和(自身を含む): 189088452

約数和(自身を除く): 109051172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 500233, 1000466, 2000932, 2501165, 4001864, 5002330, 8003728, 10004660, 16007456, 20009320, 40018640, 80037280]

約数ペア:

[(1, 80037280), (2, 40018640), (4, 20009320), (5, 16007456), (8, 10004660), (10, 8003728), (16, 5002330), (20, 4001864), (32, 2501165), (40, 2000932), (80, 1000466), (160, 500233)]