204542560

素因数分解:

$2^5\times 5^1\times {\mathrm{1278391}}^1$

素因数の和:1278406

約数の個数: 24

約数和(自身を含む): 483232176

約数和(自身を除く): 278689616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1278391, 2556782, 5113564, 6391955, 10227128, 12783910, 20454256, 25567820, 40908512, 51135640, 102271280, 204542560]

約数ペア:

[(1, 204542560), (2, 102271280), (4, 51135640), (5, 40908512), (8, 25567820), (10, 20454256), (16, 12783910), (20, 10227128), (32, 6391955), (40, 5113564), (80, 2556782), (160, 1278391)]