204540760

素因数分解:

$2^3\times 5^1\times {\mathrm{5113519}}^1$

素因数の和:5113530

約数の個数: 16

約数和(自身を含む): 460216800

約数和(自身を除く): 255676040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5113519, 10227038, 20454076, 25567595, 40908152, 51135190, 102270380, 204540760]

約数ペア:

[(1, 204540760), (2, 102270380), (4, 51135190), (5, 40908152), (8, 25567595), (10, 20454076), (20, 10227038), (40, 5113519)]