203120

素因数分解:

$2^4\times 5^1\times {\mathrm{2539}}^1$

素因数の和:2552

約数の個数: 20

約数和(自身を含む): 472440

約数和(自身を除く): 269320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2539, 5078, 10156, 12695, 20312, 25390, 40624, 50780, 101560, 203120]

約数ペア:

[(1, 203120), (2, 101560), (4, 50780), (5, 40624), (8, 25390), (10, 20312), (16, 12695), (20, 10156), (40, 5078), (80, 2539)]