80027680

素因数分解:

$2^5\times 5^1\times {\mathrm{500173}}^1$

素因数の和:500188

約数の個数: 24

約数和(自身を含む): 189065772

約数和(自身を除く): 109038092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 500173, 1000346, 2000692, 2500865, 4001384, 5001730, 8002768, 10003460, 16005536, 20006920, 40013840, 80027680]

約数ペア:

[(1, 80027680), (2, 40013840), (4, 20006920), (5, 16005536), (8, 10003460), (10, 8002768), (16, 5001730), (20, 4001384), (32, 2500865), (40, 2000692), (80, 1000346), (160, 500173)]