221011160

素因数分解:

$2^3\times 5^1\times {\mathrm{5525279}}^1$

素因数の和:5525290

約数の個数: 16

約数和(自身を含む): 497275200

約数和(自身を除く): 276264040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5525279, 11050558, 22101116, 27626395, 44202232, 55252790, 110505580, 221011160]

約数ペア:

[(1, 221011160), (2, 110505580), (4, 55252790), (5, 44202232), (8, 27626395), (10, 22101116), (20, 11050558), (40, 5525279)]