208060880

素因数分解:

$2^4\times 5^1\times {\mathrm{2600761}}^1$

素因数の和:2600774

約数の個数: 20

約数和(自身を含む): 483741732

約数和(自身を除く): 275680852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600761, 5201522, 10403044, 13003805, 20806088, 26007610, 41612176, 52015220, 104030440, 208060880]

約数ペア:

[(1, 208060880), (2, 104030440), (4, 52015220), (5, 41612176), (8, 26007610), (10, 20806088), (16, 13003805), (20, 10403044), (40, 5201522), (80, 2600761)]