55521380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67709}}^1$

素因数の和:67759

約数の個数: 24

約数和(自身を含む): 119440440

約数和(自身を除く): 63919060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 67709, 135418, 270836, 338545, 677090, 1354180, 2776069, 5552138, 11104276, 13880345, 27760690, 55521380]

約数ペア:

[(1, 55521380), (2, 27760690), (4, 13880345), (5, 11104276), (10, 5552138), (20, 2776069), (41, 1354180), (82, 677090), (164, 338545), (205, 270836), (410, 135418), (820, 67709)]