80025136

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{161341}}^1$

素因数の和:161380

約数の個数: 20

約数和(自身を含む): 160051264

約数和(自身を除く): 80026128

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 161341, 322682, 645364, 1290728, 2581456, 5001571, 10003142, 20006284, 40012568, 80025136]

約数ペア:

[(1, 80025136), (2, 40012568), (4, 20006284), (8, 10003142), (16, 5001571), (31, 2581456), (62, 1290728), (124, 645364), (248, 322682), (496, 161341)]